56157408 has 48 divisors (see below), whose sum is σ = 163794960. Its totient is φ = 18718848.

The previous prime is 56157401. The next prime is 56157419. The reversal of 56157408 is 80475165.

56157408 is a `hidden beast` number, since 561 + 57 + 40 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56157401) 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, 31635 + ... + 33362.

It is an arithmetic number, because the mean of its divisors is an integer number (3412395).

Almost surely, 2^56157408 is an apocalyptic number.

It is an amenable number.

56157408 is an abundant number, since it is smaller than the sum of its proper divisors (107637552).

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

56157408 is a wasteful number, since it uses less digits than its factorization.

56157408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65016 (or 65002 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 56157408 is about 7493.8246576765. The cubic root of 56157408 is about 382.9443662985.

It can be divided in two parts, 56157 and 408, that added together give a palindrome (56565).

The spelling of 56157408 in words is "fifty-six million, one hundred fifty-seven thousand, four hundred eight".