56657440570 has 16 divisors (see below), whose sum is σ = 102001964328. Its totient is φ = 22658849280.

The previous prime is 56657440529. The next prime is 56657440607. The reversal of 56657440570 is 7504475665.

It can be written as a sum of positive squares in 4 ways, for example, as 53263562521 + 3393878049 = 230789^2 + 58257^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457899 + ... + 568318.

Almost surely, 2^56657440570 is an apocalyptic number.

56657440570 is a deficient number, since it is larger than the sum of its proper divisors (45344523758).

56657440570 is a wasteful number, since it uses less digits than its factorization.

56657440570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031745.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 56657440570 in words is "fifty-six billion, six hundred fifty-seven million, four hundred forty thousand, five hundred seventy".