57382331 has 2 divisors, whose sum is σ = 57382332. Its totient is φ = 57382330.

The previous prime is 57382319. The next prime is 57382363. The reversal of 57382331 is 13328375.

It is an a-pointer prime, because the next prime (57382363) can be obtained adding 57382331 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57382331 - 2⁶ = 57382267 is a prime.

It is a super-2 number, since 2×57382331² = 6585463821987122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (57384331) 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, 28691165 + 28691166.

It is an arithmetic number, because the mean of its divisors is an integer number (28691166).

Almost surely, 2^57382331 is an apocalyptic number.

57382331 is a deficient number, since it is larger than the sum of its proper divisors (1).

57382331 is an equidigital number, since it uses as much as digits as its factorization.

57382331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 57382331 is about 7575.1126064237. The cubic root of 57382331 is about 385.7086649713.

The spelling of 57382331 in words is "fifty-seven million, three hundred eighty-two thousand, three hundred thirty-one".