56657448494 has 16 divisors (see below), whose sum is σ = 85189536432. Its totient is φ = 28261004928.

The previous prime is 56657448493. The next prime is 56657448557. The reversal of 56657448494 is 49484475665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56657448493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742732 + ... + 1774944.

It is an arithmetic number, because the mean of its divisors is an integer number (5324346027).

Almost surely, 2^56657448494 is an apocalyptic number.

56657448494 is a deficient number, since it is larger than the sum of its proper divisors (28532087938).

56657448494 is a wasteful number, since it uses less digits than its factorization.

56657448494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34291.

The product of its digits is 116121600, while the sum is 62.

The spelling of 56657448494 in words is "fifty-six billion, six hundred fifty-seven million, four hundred forty-eight thousand, four hundred ninety-four".