Hecho general: 89521 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 89521 is an uninteresting number.
Trivia: 89521 is an uninteresting number.
Fecha histórica: February 5th is the day in 2008 that a major tornado outbreak across the Southern United States leaves 57 dead, the most since the May 31, 1985 outbreak that killed 88.