56401936 has 20 divisors (see below), whose sum is σ = 109979692. Its totient is φ = 28020096.

The previous prime is 56401931. The next prime is 56401951. The reversal of 56401936 is 63910465.

It can be written as a sum of positive squares in 2 ways, for example, as 10758400 + 45643536 = 3280^2 + 6756^2 .

It is not an unprimeable number, because it can be changed into a prime (56401931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8715 + ... + 13738.

Almost surely, 2^56401936 is an apocalyptic number.

It is an amenable number.

56401936 is a deficient number, since it is larger than the sum of its proper divisors (53577756).

56401936 is a wasteful number, since it uses less digits than its factorization.

56401936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22618 (or 22612 counting only the distinct ones).

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

The square root of 56401936 is about 7510.1222360225. The cubic root of 56401936 is about 383.4993838053.

The spelling of 56401936 in words is "fifty-six million, four hundred one thousand, nine hundred thirty-six".