57982271 has 2 divisors, whose sum is σ = 57982272. Its totient is φ = 57982270.

The previous prime is 57982261. The next prime is 57982273. The reversal of 57982271 is 17228975.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57982271 - 2⁶ = 57982207 is a prime.

Together with 57982273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57982273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28991135 + 28991136.

It is an arithmetic number, because the mean of its divisors is an integer number (28991136).

Almost surely, 2^57982271 is an apocalyptic number.

57982271 is a deficient number, since it is larger than the sum of its proper divisors (1).

57982271 is an equidigital number, since it uses as much as digits as its factorization.

57982271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 41.

The square root of 57982271 is about 7614.6090510282. The cubic root of 57982271 is about 387.0482193699.

The spelling of 57982271 in words is "fifty-seven million, nine hundred eighty-two thousand, two hundred seventy-one".