57957287 has 2 divisors, whose sum is σ = 57957288. Its totient is φ = 57957286.

The previous prime is 57957253. The next prime is 57957329. The reversal of 57957287 is 78275975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57957287 - 2¹⁰ = 57956263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57957227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28978643 + 28978644.

It is an arithmetic number, because the mean of its divisors is an integer number (28978644).

Almost surely, 2^57957287 is an apocalyptic number.

57957287 is a deficient number, since it is larger than the sum of its proper divisors (1).

57957287 is an equidigital number, since it uses as much as digits as its factorization.

57957287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234800, while the sum is 50.

The square root of 57957287 is about 7612.9683435569. The cubic root of 57957287 is about 386.9926196048.

The spelling of 57957287 in words is "fifty-seven million, nine hundred fifty-seven thousand, two hundred eighty-seven".