57942793 has 2 divisors, whose sum is σ = 57942794. Its totient is φ = 57942792.

The previous prime is 57942763. The next prime is 57942803. The reversal of 57942793 is 39724975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29073664 + 28869129 = 5392^2 + 5373^2 .

It is a cyclic number.

It is not a de Polignac number, because 57942793 - 2⁹ = 57942281 is a prime.

It is not a weakly prime, because it can be changed into another prime (57942713) 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, 28971396 + 28971397.

It is an arithmetic number, because the mean of its divisors is an integer number (28971397).

Almost surely, 2^57942793 is an apocalyptic number.

It is an amenable number.

57942793 is a deficient number, since it is larger than the sum of its proper divisors (1).

57942793 is an equidigital number, since it uses as much as digits as its factorization.

57942793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 57942793 is about 7612.0163557365. The cubic root of 57942793 is about 386.9603571177.

The spelling of 57942793 in words is "fifty-seven million, nine hundred forty-two thousand, seven hundred ninety-three".