57257701 has 2 divisors, whose sum is σ = 57257702. Its totient is φ = 57257700.

The previous prime is 57257677. The next prime is 57257749. The reversal of 57257701 is 10775275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 240100 = 7551^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 57257701 - 2⁷ = 57257573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57257791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28628850 + 28628851.

It is an arithmetic number, because the mean of its divisors is an integer number (28628851).

Almost surely, 2^57257701 is an apocalyptic number.

It is an amenable number.

57257701 is a deficient number, since it is larger than the sum of its proper divisors (1).

57257701 is an equidigital number, since it uses as much as digits as its factorization.

57257701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 57257701 is about 7566.8818545026. The cubic root of 57257701 is about 385.4292193986.

The spelling of 57257701 in words is "fifty-seven million, two hundred fifty-seven thousand, seven hundred one".