57884257 has 2 divisors, whose sum is σ = 57884258. Its totient is φ = 57884256.

The previous prime is 57884237. The next prime is 57884293. The reversal of 57884257 is 75248875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55935441 + 1948816 = 7479^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 57884257 - 2⁷ = 57884129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57884207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28942128 + 28942129.

It is an arithmetic number, because the mean of its divisors is an integer number (28942129).

Almost surely, 2^57884257 is an apocalyptic number.

It is an amenable number.

57884257 is a deficient number, since it is larger than the sum of its proper divisors (1).

57884257 is an equidigital number, since it uses as much as digits as its factorization.

57884257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 627200, while the sum is 46.

The square root of 57884257 is about 7608.1704108149. The cubic root of 57884257 is about 386.8300058854.

The spelling of 57884257 in words is "fifty-seven million, eight hundred eighty-four thousand, two hundred fifty-seven".