56677328325 has 18 divisors (see below), whose sum is σ = 101515392914. Its totient is φ = 30227908320.

The previous prime is 56677328321. The next prime is 56677328327. The reversal of 56677328325 is 52382377665.

It is a happy number.

56677328325 is a `hidden beast` number, since 566 + 7 + 73 + 2 + 8 + 3 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1034651556 + 55642676769 = 32166^2 + 235887^2 .

It is not a de Polignac number, because 56677328325 - 2² = 56677328321 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56677328321) 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 17 ways as a sum of consecutive naturals, for example, 125949394 + ... + 125949843.

Almost surely, 2^56677328325 is an apocalyptic number.

It is an amenable number.

56677328325 is a deficient number, since it is larger than the sum of its proper divisors (44838064589).

56677328325 is a wasteful number, since it uses less digits than its factorization.

56677328325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251899253 (or 251899245 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 56677328325 in words is "fifty-six billion, six hundred seventy-seven million, three hundred twenty-eight thousand, three hundred twenty-five".