Mathematical fact: 89557 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 89557 is a boring number.
Historical date: March 13th is the day in 1991 that the United States Department of Justice announces that Exxon has agreed to pay $1 billion for the clean-up of the Exxon Valdez oil spill in Alaska.