57345407 has 4 divisors (see below), whose sum is σ = 65537616. Its totient is φ = 49153200.

The previous prime is 57345391. The next prime is 57345433. The reversal of 57345407 is 70454375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57345407 - 2⁴ = 57345391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57345107) 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, 4096094 + ... + 4096107.

It is an arithmetic number, because the mean of its divisors is an integer number (16384404).

Almost surely, 2^57345407 is an apocalyptic number.

57345407 is a deficient number, since it is larger than the sum of its proper divisors (8192209).

57345407 is an equidigital number, since it uses as much as digits as its factorization.

57345407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8192208.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 57345407 is about 7572.6750227380. The cubic root of 57345407 is about 385.6259161393.

The spelling of 57345407 in words is "fifty-seven million, three hundred forty-five thousand, four hundred seven".