Hecho general: 55578 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 55578 is an uninteresting number.
Trivia: 55578 is an unremarkable number.
Fecha histórica: March 1st is the day in 1995 that Prime Minister of Poland Waldemar Pawlak resigns from parliament and is replaced by ex-communist Józef Oleksy.