57442571 has 2 divisors, whose sum is σ = 57442572. Its totient is φ = 57442570.

The previous prime is 57442543. The next prime is 57442607. The reversal of 57442571 is 17524475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57442571 - 2¹⁸ = 57180427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57442501) 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, 28721285 + 28721286.

It is an arithmetic number, because the mean of its divisors is an integer number (28721286).

Almost surely, 2^57442571 is an apocalyptic number.

57442571 is a deficient number, since it is larger than the sum of its proper divisors (1).

57442571 is an equidigital number, since it uses as much as digits as its factorization.

57442571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 35.

The square root of 57442571 is about 7579.0877419383. The cubic root of 57442571 is about 385.8435901511.

The spelling of 57442571 in words is "fifty-seven million, four hundred forty-two thousand, five hundred seventy-one".