57983491 has 2 divisors, whose sum is σ = 57983492. Its totient is φ = 57983490.

The previous prime is 57983467. The next prime is 57983539. The reversal of 57983491 is 19438975.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57983491 - 2⁷ = 57983363 is a prime.

It is not a weakly prime, because it can be changed into another prime (57980491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28991745 + 28991746.

It is an arithmetic number, because the mean of its divisors is an integer number (28991746).

Almost surely, 2^57983491 is an apocalyptic number.

57983491 is a deficient number, since it is larger than the sum of its proper divisors (1).

57983491 is an equidigital number, since it uses as much as digits as its factorization.

57983491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 57983491 is about 7614.6891597753. The cubic root of 57983491 is about 387.0509339670.

The spelling of 57983491 in words is "fifty-seven million, nine hundred eighty-three thousand, four hundred ninety-one".