57516323 has 2 divisors, whose sum is σ = 57516324. Its totient is φ = 57516322.

The previous prime is 57516233. The next prime is 57516341. The reversal of 57516323 is 32361575.

57516323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (57516233) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57516323 - 2¹² = 57512227 is a prime.

It is a super-2 number, since 2×57516323² = 6616254822880658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57516323.

It is not a weakly prime, because it can be changed into another prime (57516023) 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, 28758161 + 28758162.

It is an arithmetic number, because the mean of its divisors is an integer number (28758162).

Almost surely, 2^57516323 is an apocalyptic number.

57516323 is a deficient number, since it is larger than the sum of its proper divisors (1).

57516323 is an equidigital number, since it uses as much as digits as its factorization.

57516323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 32.

The square root of 57516323 is about 7583.9516744241. The cubic root of 57516323 is about 386.0086510451.

Adding to 57516323 its reverse (32361575), we get a palindrome (89877898).

The spelling of 57516323 in words is "fifty-seven million, five hundred sixteen thousand, three hundred twenty-three".