57080431 has 4 divisors (see below), whose sum is σ = 57095752. Its totient is φ = 57065112.

The previous prime is 57080399. The next prime is 57080447. The reversal of 57080431 is 13408075.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57080431 - 2⁵ = 57080399 is a prime.

It is a super-2 number, since 2×57080431² = 6516351206291522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57080431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57080461) 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, 1936 + ... + 10858.

It is an arithmetic number, because the mean of its divisors is an integer number (14273938).

Almost surely, 2^57080431 is an apocalyptic number.

57080431 is a deficient number, since it is larger than the sum of its proper divisors (15321).

57080431 is an equidigital number, since it uses as much as digits as its factorization.

57080431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15320.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 57080431 is about 7555.1592306185. The cubic root of 57080431 is about 385.0310448908.

The spelling of 57080431 in words is "fifty-seven million, eighty thousand, four hundred thirty-one".