57431589437320 has 32 divisors (see below), whose sum is σ = 147681229982400. Its totient is φ = 19690830664128.

The previous prime is 57431589437311. The next prime is 57431589437333. The reversal of 57431589437320 is 2373498513475.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

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, 102556409430 + ... + 102556409989.

It is an arithmetic number, because the mean of its divisors is an integer number (4615038436950).

Almost surely, 2^{57431589437320} is an apocalyptic number.

It is an amenable number.

57431589437320 is an abundant number, since it is smaller than the sum of its proper divisors (90249640545080).

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

57431589437320 is a wasteful number, since it uses less digits than its factorization.

57431589437320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205112819437 (or 205112819433 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 57431589437320 in words is "fifty-seven trillion, four hundred thirty-one billion, five hundred eighty-nine million, four hundred thirty-seven thousand, three hundred twenty".