56560498258221 has 16 divisors (see below), whose sum is σ = 83806508131200. Its totient is φ = 37701069018624.

The previous prime is 56560498258211. The next prime is 56560498258237. The reversal of 56560498258221 is 12285289406565.

56560498258221 is a `hidden beast` number, since 5 + 6 + 5 + 6 + 0 + 49 + 8 + 2 + 582 + 2 + 1 = 666.

It is not a de Polignac number, because 56560498258221 - 2⁶ = 56560498258157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56560498258211) 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 15 ways as a sum of consecutive naturals, for example, 164542356 + ... + 164885741.

It is an arithmetic number, because the mean of its divisors is an integer number (5237906758200).

Almost surely, 2^{56560498258221} is an apocalyptic number.

It is an amenable number.

56560498258221 is a deficient number, since it is larger than the sum of its proper divisors (27246009872979).

56560498258221 is a wasteful number, since it uses less digits than its factorization.

56560498258221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329434465 (or 329434459 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 63.

The spelling of 56560498258221 in words is "fifty-six trillion, five hundred sixty billion, four hundred ninety-eight million, two hundred fifty-eight thousand, two hundred twenty-one".