57431479 has 12 divisors (see below), whose sum is σ = 67028808. Its totient is φ = 49064400.

The previous prime is 57431477. The next prime is 57431503. The reversal of 57431479 is 97413475.

It is not a de Polignac number, because 57431479 - 2¹ = 57431477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57431477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14449 + ... + 17989.

It is an arithmetic number, because the mean of its divisors is an integer number (5585734).

Almost surely, 2^57431479 is an apocalyptic number.

57431479 is a deficient number, since it is larger than the sum of its proper divisors (9597329).

57431479 is a wasteful number, since it uses less digits than its factorization.

57431479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886 (or 3879 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 57431479 is about 7578.3559562744. The cubic root of 57431479 is about 385.8187534459.

The spelling of 57431479 in words is "fifty-seven million, four hundred thirty-one thousand, four hundred seventy-nine".