56558818756 has 24 divisors (see below), whose sum is σ = 107982878976. Its totient is φ = 25706898720.

The previous prime is 56558818739. The next prime is 56558818783. The reversal of 56558818756 is 65781885565.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880525 + ... + 942571.

It is an arithmetic number, because the mean of its divisors is an integer number (4499286624).

Almost surely, 2^56558818756 is an apocalyptic number.

It is an amenable number.

56558818756 is a deficient number, since it is larger than the sum of its proper divisors (51424060220).

56558818756 is a wasteful number, since it uses less digits than its factorization.

56558818756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82779 (or 82777 counting only the distinct ones).

The product of its digits is 80640000, while the sum is 64.

The spelling of 56558818756 in words is "fifty-six billion, five hundred fifty-eight million, eight hundred eighteen thousand, seven hundred fifty-six".