56577554783 has 4 divisors (see below), whose sum is σ = 56585654688. Its totient is φ = 56569454880.

The previous prime is 56577554777. The next prime is 56577554809. The reversal of 56577554783 is 38745577565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38745577565 = 5 ⋅7749115513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56577554783 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 (56577554983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4039466 + ... + 4053447.

It is an arithmetic number, because the mean of its divisors is an integer number (14146413672).

Almost surely, 2^56577554783 is an apocalyptic number.

56577554783 is a deficient number, since it is larger than the sum of its proper divisors (8099905).

56577554783 is an equidigital number, since it uses as much as digits as its factorization.

56577554783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8099904.

The product of its digits is 123480000, while the sum is 62.

The spelling of 56577554783 in words is "fifty-six billion, five hundred seventy-seven million, five hundred fifty-four thousand, seven hundred eighty-three".