57004657 has 2 divisors, whose sum is σ = 57004658. Its totient is φ = 57004656.

The previous prime is 57004639. The next prime is 57004687. The reversal of 57004657 is 75640075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55219761 + 1784896 = 7431^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 57004657 - 2⁷ = 57004529 is a prime.

It is not a weakly prime, because it can be changed into another prime (57004687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28502328 + 28502329.

It is an arithmetic number, because the mean of its divisors is an integer number (28502329).

Almost surely, 2^57004657 is an apocalyptic number.

It is an amenable number.

57004657 is a deficient number, since it is larger than the sum of its proper divisors (1).

57004657 is an equidigital number, since it uses as much as digits as its factorization.

57004657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 57004657 is about 7550.1428463308. The cubic root of 57004657 is about 384.8605938187.

The spelling of 57004657 in words is "fifty-seven million, four thousand, six hundred fifty-seven".