FILE NO. 333-28537
                                                                  RULE 424(B)(3)
 
                             PROSPECTUS SUPPLEMENT
                       (TO PROSPECTUS DATED JULY 7, 1997)
                 (TO PROSPECTUS SUPPLEMENT DATED JULY 7, 1997)
                                     PROSPECTUS NUMBER: 1552
 
 
                           MERRILL LYNCH & CO., INC.
                          MEDIUM-TERM NOTES, SERIES B
                   DUE NINE MONTHS OR MORE FROM DATE OF ISSUE
 
                                FIXED RATE NOTES
 
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<S>                       <C>
 
PRINCIPAL AMOUNT:         $75,000,000.00
 
 
TRADE DATE:               July 29, 1997
 
 
ORIGINAL ISSUE DATE:      August 7, 1997
 
 
MATURITY DATE:            August 7, 2012
 
 
INTEREST RATE:            7.19%
 
 
INTEREST PAYMENT DATES:   7th day of each February and August, commencing February 7, 1998 through and
                          including the Maturity Date, subject to the following business day convention.
 
 
OPTIONAL REPAYMENT DATES: See "Other Provisions" below
 
 
INITIAL REDEMPTION DATE:  August 7, 2002
 
 
OTHER PROVISIONS:         Notwithstanding anything to the contrary contained herein, interest on the Notes
                          shall be payable semi-annually on the 7th day of each February and August (the
                          "Interest Payment Dates"), commencing on February 7, 1998 through Maturity. This
                          Note is subject to a one time redemption at the option of the Company, in whole, on
                          the Interest Payment Date occurring in August 2002 (the "Redemption Date") at the
                          Redemption Price together with interest thereon payable to the Redemption Date, on
                          notice given, not more than 60 nor less than 30 days prior to the Redemption Date.
                          The Redemption Price with respect to this Note shall be 100% of the principal
                          amount of the Notes.
 
 
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             The date of this Prospectus Supplement: July 29, 1997