57515064 has 32 divisors (see below), whose sum is σ = 144049920. Its totient is φ = 19136736.

The previous prime is 57515053. The next prime is 57515069. The reversal of 57515064 is 46051575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57515069) 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, 13569 + ... + 17295.

It is an arithmetic number, because the mean of its divisors is an integer number (4501560).

Almost surely, 2^57515064 is an apocalyptic number.

It is an amenable number.

57515064 is an abundant number, since it is smaller than the sum of its proper divisors (86534856).

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

57515064 is a wasteful number, since it uses less digits than its factorization.

57515064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379 (or 4375 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 57515064 is about 7583.8686697490. The cubic root of 57515064 is about 386.0058345203.

The spelling of 57515064 in words is "fifty-seven million, five hundred fifteen thousand, sixty-four".