56570004 has 36 divisors (see below), whose sum is σ = 144813760. Its totient is φ = 18617040.

The previous prime is 56569993. The next prime is 56570021. The reversal of 56570004 is 40007565.

56570004 is a `hidden beast` number, since 5 + 657 + 0 + 0 + 0 + 4 = 666.

56570004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 56570004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7102 + ... + 12789.

Almost surely, 2^56570004 is an apocalyptic number.

It is an amenable number.

56570004 is an abundant number, since it is smaller than the sum of its proper divisors (88243756).

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

56570004 is a wasteful number, since it uses less digits than its factorization.

56570004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980 (or 19975 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 56570004 is about 7521.3033445009. The cubic root of 56570004 is about 383.8799266508.

Adding to 56570004 its reverse (40007565), we get a palindrome (96577569).

The spelling of 56570004 in words is "fifty-six million, five hundred seventy thousand, four".