57057307 has 8 divisors (see below), whose sum is σ = 58330800. Its totient is φ = 55794144.

The previous prime is 57057283. The next prime is 57057317. The reversal of 57057307 is 70375075.

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

It is a cyclic number.

It is not a de Polignac number, because 57057307 - 2⁷ = 57057179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57057317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9169 + ... + 14077.

It is an arithmetic number, because the mean of its divisors is an integer number (7291350).

Almost surely, 2^57057307 is an apocalyptic number.

57057307 is a deficient number, since it is larger than the sum of its proper divisors (1273493).

57057307 is a wasteful number, since it uses less digits than its factorization.

57057307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165.

The product of its (nonzero) digits is 25725, while the sum is 34.

The square root of 57057307 is about 7553.6287306168. The cubic root of 57057307 is about 384.9790442296.

The spelling of 57057307 in words is "fifty-seven million, fifty-seven thousand, three hundred seven".