56655660116604 has 48 divisors (see below), whose sum is σ = 142061953759488. Its totient is φ = 17509036309248.

The previous prime is 56655660116599. The next prime is 56655660116609. The reversal of 56655660116604 is 40661106655665.

It is an interprime number because it is at equal distance from previous prime (56655660116599) and next prime (56655660116609).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56655660116609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072552184 + ... + 2072579519.

It is an arithmetic number, because the mean of its divisors is an integer number (2959624036656).

Almost surely, 2^{56655660116604} is an apocalyptic number.

It is an amenable number.

56655660116604 is an abundant number, since it is smaller than the sum of its proper divisors (85406293642884).

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

56655660116604 is a wasteful number, since it uses less digits than its factorization.

56655660116604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145131794 (or 4145131792 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 57.

The spelling of 56655660116604 in words is "fifty-six trillion, six hundred fifty-five billion, six hundred sixty million, one hundred sixteen thousand, six hundred four".