57533317 has 2 divisors, whose sum is σ = 57533318. Its totient is φ = 57533316.

The previous prime is 57533293. The next prime is 57533323. The reversal of 57533317 is 71333575.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46977316 + 10556001 = 6854^2 + 3249^2 .

It is a cyclic number.

It is not a de Polignac number, because 57533317 - 2¹¹ = 57531269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57533017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28766658 + 28766659.

It is an arithmetic number, because the mean of its divisors is an integer number (28766659).

Almost surely, 2^57533317 is an apocalyptic number.

It is an amenable number.

57533317 is a deficient number, since it is larger than the sum of its proper divisors (1).

57533317 is an equidigital number, since it uses as much as digits as its factorization.

57533317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33075, while the sum is 34.

The square root of 57533317 is about 7585.0719838377. The cubic root of 57533317 is about 386.0466645151.

The spelling of 57533317 in words is "fifty-seven million, five hundred thirty-three thousand, three hundred seventeen".