57431017 has 4 divisors (see below), whose sum is σ = 65635456. Its totient is φ = 49226580.

The previous prime is 57431009. The next prime is 57431029. The reversal of 57431017 is 71013475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57431017 - 2³ = 57431009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57431417) 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, 4102209 + ... + 4102222.

It is an arithmetic number, because the mean of its divisors is an integer number (16408864).

Almost surely, 2^57431017 is an apocalyptic number.

It is an amenable number.

57431017 is a deficient number, since it is larger than the sum of its proper divisors (8204439).

57431017 is an equidigital number, since it uses as much as digits as its factorization.

57431017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204438.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 57431017 is about 7578.3254746679. The cubic root of 57431017 is about 385.8177188870.

The spelling of 57431017 in words is "fifty-seven million, four hundred thirty-one thousand, seventeen".