57845317 has 2 divisors, whose sum is σ = 57845318. Its totient is φ = 57845316.

The previous prime is 57845309. The next prime is 57845323. The reversal of 57845317 is 71354875.

57845317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54626881 + 3218436 = 7391^2 + 1794^2 .

It is a cyclic number.

It is not a de Polignac number, because 57845317 - 2³ = 57845309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57845317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57845327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28922658 + 28922659.

It is an arithmetic number, because the mean of its divisors is an integer number (28922659).

Almost surely, 2^57845317 is an apocalyptic number.

It is an amenable number.

57845317 is a deficient number, since it is larger than the sum of its proper divisors (1).

57845317 is an equidigital number, since it uses as much as digits as its factorization.

57845317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 57845317 is about 7605.6108893369. The cubic root of 57845317 is about 386.7432434377.

The spelling of 57845317 in words is "fifty-seven million, eight hundred forty-five thousand, three hundred seventeen".