56537004 has 12 divisors (see below), whose sum is σ = 131919704. Its totient is φ = 18845664.

The previous prime is 56536993. The next prime is 56537017. The reversal of 56537004 is 40073565.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2355697 + ... + 2355720.

Almost surely, 2^56537004 is an apocalyptic number.

It is an amenable number.

56537004 is an abundant number, since it is smaller than the sum of its proper divisors (75382700).

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

56537004 is a wasteful number, since it uses less digits than its factorization.

56537004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711424 (or 4711422 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 56537004 is about 7519.1092557563. The cubic root of 56537004 is about 383.8052669326.

The spelling of 56537004 in words is "fifty-six million, five hundred thirty-seven thousand, four".