Fatto generale: 27529 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 27529 is a boring number.
Trivia: 27529 is an uninteresting number.
Data storica: May 15th is the day in 1891 that Pope Leo XIII defends workers' rights and property rights in the encyclical Rerum Novarum, the beginning of modern Catholic social teaching.