57265457 has 4 divisors (see below), whose sum is σ = 57282660. Its totient is φ = 57248256.

The previous prime is 57265447. The next prime is 57265477. The reversal of 57265457 is 75456275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1852321 + 55413136 = 1361^2 + 7444^2 .

It is a cyclic number.

It is not a de Polignac number, because 57265457 - 2¹² = 57261361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57265427) 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, 1832 + ... + 10857.

It is an arithmetic number, because the mean of its divisors is an integer number (14320665).

Almost surely, 2^57265457 is an apocalyptic number.

It is an amenable number.

57265457 is a deficient number, since it is larger than the sum of its proper divisors (17203).

57265457 is a wasteful number, since it uses less digits than its factorization.

57265457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17202.

The product of its digits is 294000, while the sum is 41.

The square root of 57265457 is about 7567.3943335867. The cubic root of 57265457 is about 385.4466217393.

The spelling of 57265457 in words is "fifty-seven million, two hundred sixty-five thousand, four hundred fifty-seven".