57305427 has 4 divisors (see below), whose sum is σ = 76407240. Its totient is φ = 38203616.

The previous prime is 57305407. The next prime is 57305429. The reversal of 57305427 is 72450375.

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 57305427 - 2⁷ = 57305299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57305429) 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, 9550902 + ... + 9550907.

It is an arithmetic number, because the mean of its divisors is an integer number (19101810).

Almost surely, 2^57305427 is an apocalyptic number.

57305427 is a deficient number, since it is larger than the sum of its proper divisors (19101813).

57305427 is a wasteful number, since it uses less digits than its factorization.

57305427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19101812.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 57305427 is about 7570.0348083744. The cubic root of 57305427 is about 385.5362785717.

The spelling of 57305427 in words is "fifty-seven million, three hundred five thousand, four hundred twenty-seven".