56655613155 has 16 divisors (see below), whose sum is σ = 90759413664. Its totient is φ = 30179516160.

The previous prime is 56655613153. The next prime is 56655613169. The reversal of 56655613155 is 55131655665.

It is not a de Polignac number, because 56655613155 - 2¹ = 56655613153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56655613153) 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, 2287954 + ... + 2312583.

It is an arithmetic number, because the mean of its divisors is an integer number (5672463354).

Almost surely, 2^56655613155 is an apocalyptic number.

56655613155 is a deficient number, since it is larger than the sum of its proper divisors (34103800509).

56655613155 is a wasteful number, since it uses less digits than its factorization.

56655613155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601366.

The product of its digits is 2025000, while the sum is 48.

The spelling of 56655613155 in words is "fifty-six billion, six hundred fifty-five million, six hundred thirteen thousand, one hundred fifty-five".