56577332390 has 32 divisors (see below), whose sum is σ = 102048980544. Its totient is φ = 22584366720.

The previous prime is 56577332359. The next prime is 56577332419. The reversal of 56577332390 is 9323377565.

It is a super-2 number, since 2×56577332390² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14591132 + ... + 14595008.

It is an arithmetic number, because the mean of its divisors is an integer number (3189030642).

Almost surely, 2^56577332390 is an apocalyptic number.

56577332390 is a deficient number, since it is larger than the sum of its proper divisors (45471648154).

56577332390 is a wasteful number, since it uses less digits than its factorization.

56577332390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512.

The product of its (nonzero) digits is 3572100, while the sum is 50.

The spelling of 56577332390 in words is "fifty-six billion, five hundred seventy-seven million, three hundred thirty-two thousand, three hundred ninety".