57397799 has 2 divisors, whose sum is σ = 57397800. Its totient is φ = 57397798.

The previous prime is 57397759. The next prime is 57397801. The reversal of 57397799 is 99779375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57397799 - 2¹⁶ = 57332263 is a prime.

Together with 57397801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57397759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28698899 + 28698900.

It is an arithmetic number, because the mean of its divisors is an integer number (28698900).

Almost surely, 2^57397799 is an apocalyptic number.

57397799 is a deficient number, since it is larger than the sum of its proper divisors (1).

57397799 is an equidigital number, since it uses as much as digits as its factorization.

57397799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3750705, while the sum is 56.

The square root of 57397799 is about 7576.1335125511. The cubic root of 57397799 is about 385.7433191092.

The spelling of 57397799 in words is "fifty-seven million, three hundred ninety-seven thousand, seven hundred ninety-nine".