56577568358 has 4 divisors (see below), whose sum is σ = 84866352540. Its totient is φ = 28288784178.

The previous prime is 56577568351. The next prime is 56577568391. The reversal of 56577568358 is 85386577565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85386577565 = 5 ⋅17077315513.

It is a junction number, because it is equal to n+sod(n) for n = 56577568294 and 56577568303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577568351) 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 as a sum of consecutive naturals, namely, 14144392088 + ... + 14144392091.

It is an arithmetic number, because the mean of its divisors is an integer number (21216588135).

Almost surely, 2^56577568358 is an apocalyptic number.

56577568358 is a deficient number, since it is larger than the sum of its proper divisors (28288784182).

56577568358 is a wasteful number, since it uses less digits than its factorization.

56577568358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28288784181.

The product of its digits is 211680000, while the sum is 65.

The spelling of 56577568358 in words is "fifty-six billion, five hundred seventy-seven million, five hundred sixty-eight thousand, three hundred fifty-eight".