56816582605 has 16 divisors (see below), whose sum is σ = 69026872320. Its totient is φ = 44890578432.

The previous prime is 56816582579. The next prime is 56816582611. The reversal of 56816582605 is 50628561865.

It is a cyclic number.

It is not a de Polignac number, because 56816582605 - 2³⁵ = 22456844237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110032 + ... + 354598.

It is an arithmetic number, because the mean of its divisors is an integer number (4314179520).

Almost surely, 2^56816582605 is an apocalyptic number.

It is an amenable number.

56816582605 is a deficient number, since it is larger than the sum of its proper divisors (12210289715).

56816582605 is a wasteful number, since it uses less digits than its factorization.

56816582605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245148.

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 56816582605 in words is "fifty-six billion, eight hundred sixteen million, five hundred eighty-two thousand, six hundred five".