57508565568 has 56 divisors (see below), whose sum is σ = 158773660608. Its totient is φ = 18336062976.

The previous prime is 57508565561. The next prime is 57508565573. The reversal of 57508565568 is 86556580575.

It is a super-2 number, since 2×57508565568² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57508565561) 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, 6506971 + ... + 6515802.

Almost surely, 2^57508565568 is an apocalyptic number.

It is an amenable number.

57508565568 is an abundant number, since it is smaller than the sum of its proper divisors (101265095040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57508565568 is a wasteful number, since it uses less digits than its factorization.

57508565568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022811 (or 13022801 counting only the distinct ones).

The product of its (nonzero) digits is 50400000, while the sum is 60.

The spelling of 57508565568 in words is "fifty-seven billion, five hundred eight million, five hundred sixty-five thousand, five hundred sixty-eight".