56505836 has 6 divisors (see below), whose sum is σ = 98885220. Its totient is φ = 28252916.

The previous prime is 56505817. The next prime is 56505853. The reversal of 56505836 is 63850565.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56505836.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7063226 + ... + 7063233.

It is an arithmetic number, because the mean of its divisors is an integer number (16480870).

Almost surely, 2^56505836 is an apocalyptic number.

It is an amenable number.

56505836 is a deficient number, since it is larger than the sum of its proper divisors (42379384).

56505836 is a wasteful number, since it uses less digits than its factorization.

56505836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14126463 (or 14126461 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 56505836 is about 7517.0363841078. The cubic root of 56505836 is about 383.7347252777.

The spelling of 56505836 in words is "fifty-six million, five hundred five thousand, eight hundred thirty-six".