57064457 has 4 divisors (see below), whose sum is σ = 57248256. Its totient is φ = 56880660.

The previous prime is 57064453. The next prime is 57064477. The reversal of 57064457 is 75446075.

57064457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57064457 - 2² = 57064453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57064457.

It is not an unprimeable number, because it can be changed into a prime (57064451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91433 + ... + 92054.

It is an arithmetic number, because the mean of its divisors is an integer number (14312064).

Almost surely, 2^57064457 is an apocalyptic number.

It is an amenable number.

57064457 is a deficient number, since it is larger than the sum of its proper divisors (183799).

57064457 is a wasteful number, since it uses less digits than its factorization.

57064457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183798.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 57064457 is about 7554.1019982523. The cubic root of 57064457 is about 384.9951244674.

The spelling of 57064457 in words is "fifty-seven million, sixty-four thousand, four hundred fifty-seven".