56577276555575 has 12 divisors (see below), whose sum is σ = 70158263937888. Its totient is φ = 45260246400000.

The previous prime is 56577276555511. The next prime is 56577276555581. The reversal of 56577276555575 is 57555567277565.

It is not a de Polignac number, because 56577276555575 - 2⁶ = 56577276555511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56577276555496 and 56577276555505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38637962 + ... + 40075511.

It is an arithmetic number, because the mean of its divisors is an integer number (5846521994824).

Almost surely, 2^{56577276555575} is an apocalyptic number.

56577276555575 is a deficient number, since it is larger than the sum of its proper divisors (13580987382313).

56577276555575 is a wasteful number, since it uses less digits than its factorization.

56577276555575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78742234 (or 78742229 counting only the distinct ones).

The product of its digits is 13505625000, while the sum is 77.

The spelling of 56577276555575 in words is "fifty-six trillion, five hundred seventy-seven billion, two hundred seventy-six million, five hundred fifty-five thousand, five hundred seventy-five".