57995191 has 2 divisors, whose sum is σ = 57995192. Its totient is φ = 57995190.

The previous prime is 57995173. The next prime is 57995207. The reversal of 57995191 is 19159975.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57995191 - 2⁹ = 57994679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57995101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28997595 + 28997596.

It is an arithmetic number, because the mean of its divisors is an integer number (28997596).

Almost surely, 2^57995191 is an apocalyptic number.

57995191 is a deficient number, since it is larger than the sum of its proper divisors (1).

57995191 is an equidigital number, since it uses as much as digits as its factorization.

57995191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127575, while the sum is 46.

The square root of 57995191 is about 7615.4573730013. The cubic root of 57995191 is about 387.0769654649.

The spelling of 57995191 in words is "fifty-seven million, nine hundred ninety-five thousand, one hundred ninety-one".