57944897 has 2 divisors, whose sum is σ = 57944898. Its totient is φ = 57944896.

The previous prime is 57944881. The next prime is 57944899. The reversal of 57944897 is 79844975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35058241 + 22886656 = 5921^2 + 4784^2 .

It is a cyclic number.

It is not a de Polignac number, because 57944897 - 2⁴ = 57944881 is a prime.

It is a super-2 number, since 2×57944897² = 6715222176681218, which contains 22 as substring.

Together with 57944899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57944899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28972448 + 28972449.

It is an arithmetic number, because the mean of its divisors is an integer number (28972449).

Almost surely, 2^57944897 is an apocalyptic number.

It is an amenable number.

57944897 is a deficient number, since it is larger than the sum of its proper divisors (1).

57944897 is an equidigital number, since it uses as much as digits as its factorization.

57944897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The square root of 57944897 is about 7612.1545570226. The cubic root of 57944897 is about 386.9650407875.

The spelling of 57944897 in words is "fifty-seven million, nine hundred forty-four thousand, eight hundred ninety-seven".