Fatto generale: 89572 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 89572 is an unremarkable number.
Trivia: 89572 is an uninteresting number.
Data storica: March 28th is the day in 1979 that the British House of Commons passes a vote of no confidence against James Callaghan's government, precipitating a general election.