56558634506 has 16 divisors (see below), whose sum is σ = 93854023488. Its totient is φ = 25346378400.

The previous prime is 56558634497. The next prime is 56558634523. The reversal of 56558634506 is 60543685565.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18102995 + ... + 18106118.

It is an arithmetic number, because the mean of its divisors is an integer number (5865876468).

Almost surely, 2^56558634506 is an apocalyptic number.

56558634506 is a deficient number, since it is larger than the sum of its proper divisors (37295388982).

56558634506 is a wasteful number, since it uses less digits than its factorization.

56558634506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36209197.

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 56558634506 in words is "fifty-six billion, five hundred fifty-eight million, six hundred thirty-four thousand, five hundred six".