57064807 has 2 divisors, whose sum is σ = 57064808. Its totient is φ = 57064806.

The previous prime is 57064717. The next prime is 57064811. The reversal of 57064807 is 70846075.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57064807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57064877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28532403 + 28532404.

It is an arithmetic number, because the mean of its divisors is an integer number (28532404).

Almost surely, 2^57064807 is an apocalyptic number.

57064807 is a deficient number, since it is larger than the sum of its proper divisors (1).

57064807 is an equidigital number, since it uses as much as digits as its factorization.

57064807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 57064807 is about 7554.1251644383. The cubic root of 57064807 is about 384.9959115774.

The spelling of 57064807 in words is "fifty-seven million, sixty-four thousand, eight hundred seven".