57064555 has 4 divisors (see below), whose sum is σ = 68477472. Its totient is φ = 45651640.

The previous prime is 57064549. The next prime is 57064571. The reversal of 57064555 is 55546075.

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

It is not a de Polignac number, because 57064555 - 2⁵ = 57064523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5706451 + ... + 5706460.

It is an arithmetic number, because the mean of its divisors is an integer number (17119368).

Almost surely, 2^57064555 is an apocalyptic number.

57064555 is a deficient number, since it is larger than the sum of its proper divisors (11412917).

57064555 is a wasteful number, since it uses less digits than its factorization.

57064555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412916.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 57064555 is about 7554.1084847916. The cubic root of 57064555 is about 384.9953448585.

The spelling of 57064555 in words is "fifty-seven million, sixty-four thousand, five hundred fifty-five".