56206602621 has 32 divisors (see below), whose sum is σ = 89775947520. Its totient is φ = 34549492032.

The previous prime is 56206602601. The next prime is 56206602623. The reversal of 56206602621 is 12620660265.

56206602621 is a `hidden beast` number, since 5 + 6 + 20 + 6 + 6 + 0 + 2 + 621 = 666.

It is not a de Polignac number, because 56206602621 - 2¹⁹ = 56206078333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56206602623) 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 31 ways as a sum of consecutive naturals, for example, 221071 + ... + 401603.

It is an arithmetic number, because the mean of its divisors is an integer number (2805498360).

Almost surely, 2^56206602621 is an apocalyptic number.

It is an amenable number.

56206602621 is a deficient number, since it is larger than the sum of its proper divisors (33569344899).

56206602621 is a wasteful number, since it uses less digits than its factorization.

56206602621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181442 (or 181436 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 56206602621 in words is "fifty-six billion, two hundred six million, six hundred two thousand, six hundred twenty-one".