57938843 has 2 divisors, whose sum is σ = 57938844. Its totient is φ = 57938842.

The previous prime is 57938833. The next prime is 57938849. The reversal of 57938843 is 34883975.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57938843 is a prime.

It is not a weakly prime, because it can be changed into another prime (57938849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28969421 + 28969422.

It is an arithmetic number, because the mean of its divisors is an integer number (28969422).

Almost surely, 2^57938843 is an apocalyptic number.

57938843 is a deficient number, since it is larger than the sum of its proper divisors (1).

57938843 is an equidigital number, since it uses as much as digits as its factorization.

57938843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 57938843 is about 7611.7568931226. The cubic root of 57938843 is about 386.9515638001.

The spelling of 57938843 in words is "fifty-seven million, nine hundred thirty-eight thousand, eight hundred forty-three".