57394879 has 2 divisors, whose sum is σ = 57394880. Its totient is φ = 57394878.

The previous prime is 57394861. The next prime is 57394889. The reversal of 57394879 is 97849375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57394879 - 2⁷ = 57394751 is a prime.

It is a super-3 number, since 3×57394879³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57394859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28697439 + 28697440.

It is an arithmetic number, because the mean of its divisors is an integer number (28697440).

Almost surely, 2^57394879 is an apocalyptic number.

57394879 is a deficient number, since it is larger than the sum of its proper divisors (1).

57394879 is an equidigital number, since it uses as much as digits as its factorization.

57394879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 57394879 is about 7575.9407996631. The cubic root of 57394879 is about 385.7367776877.

The spelling of 57394879 in words is "fifty-seven million, three hundred ninety-four thousand, eight hundred seventy-nine".