56577537677 has 8 divisors (see below), whose sum is σ = 57516662400. Its totient is φ = 55643986944.

The previous prime is 56577537631. The next prime is 56577537707. The reversal of 56577537677 is 77673577565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56577537677 - 2¹² = 56577533581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56570537677) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1373027 + ... + 1413632.

It is an arithmetic number, because the mean of its divisors is an integer number (7189582800).

Almost surely, 2^56577537677 is an apocalyptic number.

It is an amenable number.

56577537677 is a deficient number, since it is larger than the sum of its proper divisors (939124723).

56577537677 is a wasteful number, since it uses less digits than its factorization.

56577537677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786995.

The product of its digits is 226894500, while the sum is 65.

The spelling of 56577537677 in words is "fifty-six billion, five hundred seventy-seven million, five hundred thirty-seven thousand, six hundred seventy-seven".