Hecho general: 56149 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 56149 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 56149 is an uninteresting number.
Fecha histórica: September 23rd is the day in 1122 that Pope Calixtus II and Holy Roman Emperor Henry V agree to the Concordat of Worms to put an end to the Investiture Controversy.