57805399 has 2 divisors, whose sum is σ = 57805400. Its totient is φ = 57805398.

The previous prime is 57805357. The next prime is 57805403. The reversal of 57805399 is 99350875.

57805399 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 is a cyclic number.

It is not a de Polignac number, because 57805399 - 2⁷ = 57805271 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57805339) 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, 28902699 + 28902700.

It is an arithmetic number, because the mean of its divisors is an integer number (28902700).

Almost surely, 2^57805399 is an apocalyptic number.

57805399 is a deficient number, since it is larger than the sum of its proper divisors (1).

57805399 is an equidigital number, since it uses as much as digits as its factorization.

57805399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 57805399 is about 7602.9861896494. The cubic root of 57805399 is about 386.6542614761.

The spelling of 57805399 in words is "fifty-seven million, eight hundred five thousand, three hundred ninety-nine".