56413638 has 16 divisors (see below), whose sum is σ = 125363760. Its totient is φ = 18804528.

The previous prime is 56413631. The next prime is 56413657. The reversal of 56413638 is 83631465.

56413638 is a `hidden beast` number, since 5 + 6 + 4 + 13 + 638 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56413631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522295 + ... + 522402.

It is an arithmetic number, because the mean of its divisors is an integer number (7835235).

Almost surely, 2^56413638 is an apocalyptic number.

56413638 is an abundant number, since it is smaller than the sum of its proper divisors (68950122).

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

56413638 is a wasteful number, since it uses less digits than its factorization.

56413638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044708 (or 1044702 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 56413638 is about 7510.9012774766. The cubic root of 56413638 is about 383.5259041683.

The spelling of 56413638 in words is "fifty-six million, four hundred thirteen thousand, six hundred thirty-eight".