57123564564 has 24 divisors (see below), whose sum is σ = 145405437408. Its totient is φ = 17310171040.

The previous prime is 57123564557. The next prime is 57123564571. The reversal of 57123564564 is 46546532175.

It is an interprime number because it is at equal distance from previous prime (57123564557) and next prime (57123564571).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 216377007 + ... + 216377270.

It is an arithmetic number, because the mean of its divisors is an integer number (6058559892).

Almost surely, 2^57123564564 is an apocalyptic number.

It is an amenable number.

57123564564 is an abundant number, since it is smaller than the sum of its proper divisors (88281872844).

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

57123564564 is a wasteful number, since it uses less digits than its factorization.

57123564564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432754295 (or 432754293 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 48.

The spelling of 57123564564 in words is "fifty-seven billion, one hundred twenty-three million, five hundred sixty-four thousand, five hundred sixty-four".