56155408 has 20 divisors (see below), whose sum is σ = 110855628. Its totient is φ = 27547520.

The previous prime is 56155399. The next prime is 56155409. The reversal of 56155408 is 80455165.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42406144 + 13749264 = 6512^2 + 3708^2 .

It is not an unprimeable number, because it can be changed into a prime (56155409) 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, 32263 + ... + 33958.

Almost surely, 2^56155408 is an apocalyptic number.

It is an amenable number.

56155408 is a deficient number, since it is larger than the sum of its proper divisors (54700220).

56155408 is a wasteful number, since it uses less digits than its factorization.

56155408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66282 (or 66276 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 56155408 is about 7493.6912132807. The cubic root of 56155408 is about 382.9398201614.

The spelling of 56155408 in words is "fifty-six million, one hundred fifty-five thousand, four hundred eight".