57204121564 has 48 divisors (see below), whose sum is σ = 108002522880. Its totient is φ = 26449274880.

The previous prime is 57204121561. The next prime is 57204121567. The reversal of 57204121564 is 46512140275.

It is an interprime number because it is at equal distance from previous prime (57204121561) and next prime (57204121567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57204121561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266814 + ... + 430810.

It is an arithmetic number, because the mean of its divisors is an integer number (2250052560).

Almost surely, 2^57204121564 is an apocalyptic number.

It is an amenable number.

57204121564 is a deficient number, since it is larger than the sum of its proper divisors (50798401316).

57204121564 is a wasteful number, since it uses less digits than its factorization.

57204121564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164158 (or 164156 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 57204121564 in words is "fifty-seven billion, two hundred four million, one hundred twenty-one thousand, five hundred sixty-four".