Hecho general: 5585 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 5585 is the number of monoids of order 7 with 2 idempotents.
Trivia: 5585 is a boring number.
Fecha histórica: April 16th is the day in 1919 that Gandhi organizes a day of "prayer and fasting" in response to the killing of Indian protesters in the Amritsar Massacre by the British.