57122459 has 2 divisors, whose sum is σ = 57122460. Its totient is φ = 57122458.

The previous prime is 57122453. The next prime is 57122503. The reversal of 57122459 is 95422175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57122459 - 2⁸ = 57122203 is a prime.

It is not a weakly prime, because it can be changed into another prime (57122453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28561229 + 28561230.

It is an arithmetic number, because the mean of its divisors is an integer number (28561230).

Almost surely, 2^57122459 is an apocalyptic number.

57122459 is a deficient number, since it is larger than the sum of its proper divisors (1).

57122459 is an equidigital number, since it uses as much as digits as its factorization.

57122459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 57122459 is about 7557.9401294268. The cubic root of 57122459 is about 385.1255204375.

The spelling of 57122459 in words is "fifty-seven million, one hundred twenty-two thousand, four hundred fifty-nine".