57232289 has 2 divisors, whose sum is σ = 57232290. Its totient is φ = 57232288.

The previous prime is 57232247. The next prime is 57232297. The reversal of 57232289 is 98223275.

57232289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56851600 + 380689 = 7540^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 57232289 - 2²⁴ = 40455073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57232589) 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, 28616144 + 28616145.

It is an arithmetic number, because the mean of its divisors is an integer number (28616145).

Almost surely, 2^57232289 is an apocalyptic number.

It is an amenable number.

57232289 is a deficient number, since it is larger than the sum of its proper divisors (1).

57232289 is an equidigital number, since it uses as much as digits as its factorization.

57232289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 57232289 is about 7565.2025088559. The cubic root of 57232289 is about 385.3721908156.

The spelling of 57232289 in words is "fifty-seven million, two hundred thirty-two thousand, two hundred eighty-nine".