57944881 has 2 divisors, whose sum is σ = 57944882. Its totient is φ = 57944880.

The previous prime is 57944879. The next prime is 57944897. The reversal of 57944881 is 18844975.

57944881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 23193856 = 5895^2 + 4816^2 .

It is a cyclic number.

It is not a de Polignac number, because 57944881 - 2¹ = 57944879 is a prime.

It is a super-2 number, since 2×57944881² = 6715218468208322, which contains 22 as substring.

Together with 57944879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57944801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28972440 + 28972441.

It is an arithmetic number, because the mean of its divisors is an integer number (28972441).

Almost surely, 2^57944881 is an apocalyptic number.

It is an amenable number.

57944881 is a deficient number, since it is larger than the sum of its proper divisors (1).

57944881 is an equidigital number, since it uses as much as digits as its factorization.

57944881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 46.

The square root of 57944881 is about 7612.1535060717. The cubic root of 57944881 is about 386.9650051707.

The spelling of 57944881 in words is "fifty-seven million, nine hundred forty-four thousand, eight hundred eighty-one".