56577761451 has 6 divisors (see below), whose sum is σ = 81723433220. Its totient is φ = 37718507628.

The previous prime is 56577761447. The next prime is 56577761459. The reversal of 56577761451 is 15416777565.

56577761451 is a `hidden beast` number, since 5 + 6 + 577 + 7 + 6 + 14 + 51 = 666.

It is not a de Polignac number, because 56577761451 - 2² = 56577761447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56577761459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3143208961 + ... + 3143208978.

Almost surely, 2^56577761451 is an apocalyptic number.

56577761451 is a deficient number, since it is larger than the sum of its proper divisors (25145671769).

56577761451 is a wasteful number, since it uses less digits than its factorization.

56577761451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6286417945 (or 6286417942 counting only the distinct ones).

The product of its digits is 6174000, while the sum is 54.

The spelling of 56577761451 in words is "fifty-six billion, five hundred seventy-seven million, seven hundred sixty-one thousand, four hundred fifty-one".