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: 1557 DATED: AUGUST 5, 1997 MERRILL LYNCH & CO., INC. MEDIUM-TERM NOTES, SERIES B DUE NINE MONTHS OR MORE FROM DATE OF ISSUE FIXED RATE NOTES
BASE RATE: FIXED INDEX MATURITY: N/A TRADE DATE: August 5, 1997 SETTLEMENT DATE: August 8, 1997 MATURITY DATE: August 10, 1998 REDEMPTION DATE: N/A OPTIONAL REPAYMENT DATES: N/A SPREAD: 0.000% SPREAD MULTIPLIER: N/A MAXIMUM INTEREST RATE: N/A MINIMUM INTEREST RATE: N/A INTEREST RESET DATES: N/A INTEREST PAYMENT DATES: The 15th of May and November and maturity, subject to following business day convention. (short first and last coupon). INITIAL INTEREST RATE: 5.88% FORM: Book-entry