5657520566 has 16 divisors (see below), whose sum is σ = 8682315264. Its totient is φ = 2763630504.

The previous prime is 5657520529. The next prime is 5657520571. The reversal of 5657520566 is 6650257565.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 5657520566.

It is a congruent number.

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, 530 + ... + 106373.

It is an arithmetic number, because the mean of its divisors is an integer number (542644704).

Almost surely, 2^5657520566 is an apocalyptic number.

5657520566 is a deficient number, since it is larger than the sum of its proper divisors (3024794698).

5657520566 is a wasteful number, since it uses less digits than its factorization.

5657520566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107515.

The product of its (nonzero) digits is 1890000, while the sum is 47.

The square root of 5657520566 is about 75216.4913167319. The cubic root of 5657520566 is about 1781.8673923835.

The spelling of 5657520566 in words is "five billion, six hundred fifty-seven million, five hundred twenty thousand, five hundred sixty-six".