57353657 has 2 divisors, whose sum is σ = 57353658. Its totient is φ = 57353656.

The previous prime is 57353623. The next prime is 57353683. The reversal of 57353657 is 75635375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33304441 + 24049216 = 5771^2 + 4904^2 .

It is a cyclic number.

It is not a de Polignac number, because 57353657 - 2¹² = 57349561 is a prime.

It is not a weakly prime, because it can be changed into another prime (57353057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28676828 + 28676829.

It is an arithmetic number, because the mean of its divisors is an integer number (28676829).

Almost surely, 2^57353657 is an apocalyptic number.

It is an amenable number.

57353657 is a deficient number, since it is larger than the sum of its proper divisors (1).

57353657 is an equidigital number, since it uses as much as digits as its factorization.

57353657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 330750, while the sum is 41.

The square root of 57353657 is about 7573.2197247934. The cubic root of 57353657 is about 385.6444079502.

The spelling of 57353657 in words is "fifty-seven million, three hundred fifty-three thousand, six hundred fifty-seven".