57075407 has 2 divisors, whose sum is σ = 57075408. Its totient is φ = 57075406.

The previous prime is 57075379. The next prime is 57075413. The reversal of 57075407 is 70457075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57075407 - 2²⁴ = 40298191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57075467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28537703 + 28537704.

It is an arithmetic number, because the mean of its divisors is an integer number (28537704).

Almost surely, 2^57075407 is an apocalyptic number.

57075407 is a deficient number, since it is larger than the sum of its proper divisors (1).

57075407 is an equidigital number, since it uses as much as digits as its factorization.

57075407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 57075407 is about 7554.8267352733. The cubic root of 57075407 is about 385.0197482421.

The spelling of 57075407 in words is "fifty-seven million, seventy-five thousand, four hundred seven".