56655255663 has 24 divisors (see below), whose sum is σ = 83259380880. Its totient is φ = 37114162560.

The previous prime is 56655255619. The next prime is 56655255691. The reversal of 56655255663 is 36655255665.

56655255663 is a `hidden beast` number, since 5 + 6 + 6 + 5 + 525 + 56 + 63 = 666.

It is not a de Polignac number, because 56655255663 - 2⁸ = 56655255407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56655257663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508795 + ... + 610067.

It is an arithmetic number, because the mean of its divisors is an integer number (3469140870).

Almost surely, 2^56655255663 is an apocalyptic number.

56655255663 is a deficient number, since it is larger than the sum of its proper divisors (26604125217).

56655255663 is a wasteful number, since it uses less digits than its factorization.

56655255663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102359 (or 102356 counting only the distinct ones).

The product of its digits is 24300000, while the sum is 54.

The spelling of 56655255663 in words is "fifty-six billion, six hundred fifty-five million, two hundred fifty-five thousand, six hundred sixty-three".