56491056 has 30 divisors (see below), whose sum is σ = 158096900. Its totient is φ = 18830304.

The previous prime is 56491049. The next prime is 56491081. The reversal of 56491056 is 65019465.

56491056 is a `hidden beast` number, since 5 + 649 + 1 + 0 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56491056.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196006 + ... + 196293.

Almost surely, 2^56491056 is an apocalyptic number.

It is an amenable number.

56491056 is an abundant number, since it is smaller than the sum of its proper divisors (101605844).

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

56491056 is a wasteful number, since it uses less digits than its factorization.

56491056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392313 (or 392304 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 56491056 is about 7516.0532196093. The cubic root of 56491056 is about 383.7012650536.

The spelling of 56491056 in words is "fifty-six million, four hundred ninety-one thousand, fifty-six".