56577237883 has 4 divisors (see below), whose sum is σ = 57504733648. Its totient is φ = 55649742120.

The previous prime is 56577237833. The next prime is 56577238051. The reversal of 56577237883 is 38873277565.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38873277565 = 5 ⋅7774655513.

It is a cyclic number.

It is not a de Polignac number, because 56577237883 - 2²⁹ = 56040366971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 927495703 = 56577237883 / (5 + 6 + 5 + 7 + 7 + 2 + 3 + 7 + 8 + 8 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56577237803) 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 3 ways as a sum of consecutive naturals, for example, 463747791 + ... + 463747912.

It is an arithmetic number, because the mean of its divisors is an integer number (14376183412).

Almost surely, 2^56577237883 is an apocalyptic number.

56577237883 is a deficient number, since it is larger than the sum of its proper divisors (927495765).

56577237883 is an equidigital number, since it uses as much as digits as its factorization.

56577237883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927495764.

The product of its digits is 59270400, while the sum is 61.

The spelling of 56577237883 in words is "fifty-six billion, five hundred seventy-seven million, two hundred thirty-seven thousand, eight hundred eighty-three".