57064520 has 16 divisors (see below), whose sum is σ = 128395260. Its totient is φ = 22825792.

The previous prime is 57064519. The next prime is 57064523. The reversal of 57064520 is 2546075.

57064520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52911076 + 4153444 = 7274^2 + 2038^2 .

It is not an unprimeable number, because it can be changed into a prime (57064523) 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, 713267 + ... + 713346.

Almost surely, 2^57064520 is an apocalyptic number.

It is an amenable number.

57064520 is an abundant number, since it is smaller than the sum of its proper divisors (71330740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57064520 is a wasteful number, since it uses less digits than its factorization.

57064520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426624 (or 1426620 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 57064520 is about 7554.1061681711. The cubic root of 57064520 is about 384.9952661474.

The spelling of 57064520 in words is "fifty-seven million, sixty-four thousand, five hundred twenty".