57056315 has 8 divisors (see below), whose sum is σ = 68510448. Its totient is φ = 45616480.

The previous prime is 57056281. The next prime is 57056323. The reversal of 57056315 is 51365075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57056315 - 2⁸ = 57056059 is a prime.

It is a Duffinian number.

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, 9689 + ... + 14421.

It is an arithmetic number, because the mean of its divisors is an integer number (8563806).

Almost surely, 2^57056315 is an apocalyptic number.

57056315 is a deficient number, since it is larger than the sum of its proper divisors (11454133).

57056315 is a wasteful number, since it uses less digits than its factorization.

57056315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 57056315 is about 7553.5630665269. The cubic root of 57056315 is about 384.9768131310.

The spelling of 57056315 in words is "fifty-seven million, fifty-six thousand, three hundred fifteen".