57394933 has 2 divisors, whose sum is σ = 57394934. Its totient is φ = 57394932.

The previous prime is 57394921. The next prime is 57394969. The reversal of 57394933 is 33949375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46485124 + 10909809 = 6818^2 + 3303^2 .

It is a cyclic number.

It is not a de Polignac number, because 57394933 - 2²⁵ = 23840501 is a prime.

It is a super-4 number, since 4×57394933⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57394933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57394903) 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, 28697466 + 28697467.

It is an arithmetic number, because the mean of its divisors is an integer number (28697467).

Almost surely, 2^57394933 is an apocalyptic number.

It is an amenable number.

57394933 is a deficient number, since it is larger than the sum of its proper divisors (1).

57394933 is an equidigital number, since it uses as much as digits as its factorization.

57394933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 43.

The square root of 57394933 is about 7575.9443635761. The cubic root of 57394933 is about 385.7368986612.

The spelling of 57394933 in words is "fifty-seven million, three hundred ninety-four thousand, nine hundred thirty-three".