55536216 has 32 divisors (see below), whose sum is σ = 139302960. Its totient is φ = 18450432.

The previous prime is 55536197. The next prime is 55536227. The reversal of 55536216 is 61263555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816 + ... + 11208.

Almost surely, 2^55536216 is an apocalyptic number.

It is an amenable number.

55536216 is an abundant number, since it is smaller than the sum of its proper divisors (83766744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55536216 is a wasteful number, since it uses less digits than its factorization.

55536216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715 (or 7711 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 55536216 is about 7452.2624752487. The cubic root of 55536216 is about 381.5271325163.

The spelling of 55536216 in words is "fifty-five million, five hundred thirty-six thousand, two hundred sixteen".