56639104 has 32 divisors (see below), whose sum is σ = 119477700. Its totient is φ = 26652672.

The previous prime is 56639069. The next prime is 56639111. The reversal of 56639104 is 40193665.

It can be written as a sum of positive squares in 2 ways, for example, as 55472704 + 1166400 = 7448^2 + 1080^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 56639104.

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, 10839 + ... + 15190.

Almost surely, 2^56639104 is an apocalyptic number.

It is an amenable number.

56639104 is an abundant number, since it is smaller than the sum of its proper divisors (62838596).

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

56639104 is a wasteful number, since it uses less digits than its factorization.

56639104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26060 (or 26048 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 56639104 is about 7525.8955613269. The cubic root of 56639104 is about 384.0361655753.

The spelling of 56639104 in words is "fifty-six million, six hundred thirty-nine thousand, one hundred four".