56655532225 has 12 divisors (see below), whose sum is σ = 70897385020. Its totient is φ = 44908603200.

The previous prime is 56655532217. The next prime is 56655532243. The reversal of 56655532225 is 52223555665.

It can be written as a sum of positive squares in 6 ways, for example, as 583696 + 56654948529 = 764^2 + 238023^2 .

It is not a de Polignac number, because 56655532225 - 2³ = 56655532217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10392786 + ... + 10398235.

Almost surely, 2^56655532225 is an apocalyptic number.

It is an amenable number.

56655532225 is a deficient number, since it is larger than the sum of its proper divisors (14241852795).

56655532225 is a wasteful number, since it uses less digits than its factorization.

56655532225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20791140 (or 20791135 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 46.

The spelling of 56655532225 in words is "fifty-six billion, six hundred fifty-five million, five hundred thirty-two thousand, two hundred twenty-five".