57472457 has 4 divisors (see below), whose sum is σ = 65682816. Its totient is φ = 49262100.

The previous prime is 57472411. The next prime is 57472477. The reversal of 57472457 is 75427475.

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 57472457 - 2¹⁸ = 57210313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57472477) 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, 4105169 + ... + 4105182.

It is an arithmetic number, because the mean of its divisors is an integer number (16420704).

Almost surely, 2^57472457 is an apocalyptic number.

It is an amenable number.

57472457 is a deficient number, since it is larger than the sum of its proper divisors (8210359).

57472457 is an equidigital number, since it uses as much as digits as its factorization.

57472457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210358.

The product of its digits is 274400, while the sum is 41.

The square root of 57472457 is about 7581.0590948759. The cubic root of 57472457 is about 385.9104936229.

The spelling of 57472457 in words is "fifty-seven million, four hundred seventy-two thousand, four hundred fifty-seven".