57938393 has 2 divisors, whose sum is σ = 57938394. Its totient is φ = 57938392.

The previous prime is 57938389. The next prime is 57938401. The reversal of 57938393 is 39383975.

57938393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 7414729 = 7108^2 + 2723^2 .

It is a cyclic number.

It is not a de Polignac number, because 57938393 - 2² = 57938389 is a prime.

It is not a weakly prime, because it can be changed into another prime (57938303) 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, 28969196 + 28969197.

It is an arithmetic number, because the mean of its divisors is an integer number (28969197).

Almost surely, 2^57938393 is an apocalyptic number.

It is an amenable number.

57938393 is a deficient number, since it is larger than the sum of its proper divisors (1).

57938393 is an equidigital number, since it uses as much as digits as its factorization.

57938393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 47.

The square root of 57938393 is about 7611.7273335295. The cubic root of 57938393 is about 386.9505620044.

The spelling of 57938393 in words is "fifty-seven million, nine hundred thirty-eight thousand, three hundred ninety-three".