57064487 has 2 divisors, whose sum is σ = 57064488. Its totient is φ = 57064486.

The previous prime is 57064481. The next prime is 57064519. The reversal of 57064487 is 78446075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57064487 - 2²⁴ = 40287271 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57064481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28532243 + 28532244.

It is an arithmetic number, because the mean of its divisors is an integer number (28532244).

Almost surely, 2^57064487 is an apocalyptic number.

57064487 is a deficient number, since it is larger than the sum of its proper divisors (1).

57064487 is an equidigital number, since it uses as much as digits as its factorization.

57064487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 57064487 is about 7554.1039839282. The cubic root of 57064487 is about 384.9951919341.

The spelling of 57064487 in words is "fifty-seven million, sixty-four thousand, four hundred eighty-seven".