Fatto generale: 55192 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 55192 is an unremarkable number.
Trivia: 55192 is an unremarkable number.
Data storica: February 9th is the day in 1895 that William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.