56657790374 has 4 divisors (see below), whose sum is σ = 84986685564. Its totient is φ = 28328895186.

The previous prime is 56657790353. The next prime is 56657790379. The reversal of 56657790374 is 47309775665.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56657790379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14164447592 + ... + 14164447595.

It is an arithmetic number, because the mean of its divisors is an integer number (21246671391).

Almost surely, 2^56657790374 is an apocalyptic number.

56657790374 is a deficient number, since it is larger than the sum of its proper divisors (28328895190).

56657790374 is a wasteful number, since it uses less digits than its factorization.

56657790374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28328895189.

The product of its (nonzero) digits is 33339600, while the sum is 59.

The spelling of 56657790374 in words is "fifty-six billion, six hundred fifty-seven million, seven hundred ninety thousand, three hundred seventy-four".