57468391 has 2 divisors, whose sum is σ = 57468392. Its totient is φ = 57468390.

The previous prime is 57468373. The next prime is 57468403. The reversal of 57468391 is 19386475.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57468391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57468791) 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, 28734195 + 28734196.

It is an arithmetic number, because the mean of its divisors is an integer number (28734196).

Almost surely, 2^57468391 is an apocalyptic number.

57468391 is a deficient number, since it is larger than the sum of its proper divisors (1).

57468391 is an equidigital number, since it uses as much as digits as its factorization.

57468391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 57468391 is about 7580.7909217970. The cubic root of 57468391 is about 385.9013927472.

The spelling of 57468391 in words is "fifty-seven million, four hundred sixty-eight thousand, three hundred ninety-one".