57381299 has 2 divisors, whose sum is σ = 57381300. Its totient is φ = 57381298.

The previous prime is 57381293. The next prime is 57381319. The reversal of 57381299 is 99218375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57381299 - 2²⁰ = 56332723 is a prime.

It is a super-2 number, since 2×57381299² = 6585226949854802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57381293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28690649 + 28690650.

It is an arithmetic number, because the mean of its divisors is an integer number (28690650).

Almost surely, 2^57381299 is an apocalyptic number.

57381299 is a deficient number, since it is larger than the sum of its proper divisors (1).

57381299 is an equidigital number, since it uses as much as digits as its factorization.

57381299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 44.

The square root of 57381299 is about 7575.0444883182. The cubic root of 57381299 is about 385.7063526816.

The spelling of 57381299 in words is "fifty-seven million, three hundred eighty-one thousand, two hundred ninety-nine".