55613504 has 28 divisors (see below), whose sum is σ = 113922048. Its totient is φ = 26908800.

The previous prime is 55613489. The next prime is 55613521. The reversal of 55613504 is 40531655.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12032 + ... + 15999.

Almost surely, 2^55613504 is an apocalyptic number.

It is an amenable number.

55613504 is an abundant number, since it is smaller than the sum of its proper divisors (58308544).

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

55613504 is a wasteful number, since it uses less digits than its factorization.

55613504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28074 (or 28064 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55613504 is about 7457.4462116733. The cubic root of 55613504 is about 381.7040369028.

The spelling of 55613504 in words is "fifty-five million, six hundred thirteen thousand, five hundred four".