57218532472 has 16 divisors (see below), whose sum is σ = 110745547200. Its totient is φ = 27686386560.

The previous prime is 57218532421. The next prime is 57218532473. The reversal of 57218532472 is 27423581275.

57218532472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57218532473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115359697 + ... + 115360192.

It is an arithmetic number, because the mean of its divisors is an integer number (6921596700).

Almost surely, 2^57218532472 is an apocalyptic number.

It is an amenable number.

57218532472 is a deficient number, since it is larger than the sum of its proper divisors (53527014728).

57218532472 is a wasteful number, since it uses less digits than its factorization.

57218532472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230719926 (or 230719922 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The spelling of 57218532472 in words is "fifty-seven billion, two hundred eighteen million, five hundred thirty-two thousand, four hundred seventy-two".