Hecho general: 55170 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 55170 is a boring number.
Trivia: 55170 is an unremarkable number.
Fecha histórica: January 18th is the day in 2007 that the strongest storm in the United Kingdom in 17 years kills 14 people, Germany sees the worst storm since 1999 with 13 deaths.