57968191 has 2 divisors, whose sum is σ = 57968192. Its totient is φ = 57968190.

The previous prime is 57968189. The next prime is 57968203. The reversal of 57968191 is 19186975.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57968191 - 2¹ = 57968189 is a prime.

It is a super-2 number, since 2×57968191² = 6720622335624962, which contains 22 as substring.

Together with 57968189, 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 (57968161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28984095 + 28984096.

It is an arithmetic number, because the mean of its divisors is an integer number (28984096).

Almost surely, 2^57968191 is an apocalyptic number.

57968191 is a deficient number, since it is larger than the sum of its proper divisors (1).

57968191 is an equidigital number, since it uses as much as digits as its factorization.

57968191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 46.

The square root of 57968191 is about 7613.6844562932. The cubic root of 57968191 is about 387.0168874932.

The spelling of 57968191 in words is "fifty-seven million, nine hundred sixty-eight thousand, one hundred ninety-one".