57532229 has 2 divisors, whose sum is σ = 57532230. Its totient is φ = 57532228.

The previous prime is 57532219. The next prime is 57532261. The reversal of 57532229 is 92223575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57532225 + 4 = 7585^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 57532229 - 2⁴ = 57532213 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57532219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28766114 + 28766115.

It is an arithmetic number, because the mean of its divisors is an integer number (28766115).

Almost surely, 2^57532229 is an apocalyptic number.

It is an amenable number.

57532229 is a deficient number, since it is larger than the sum of its proper divisors (1).

57532229 is an equidigital number, since it uses as much as digits as its factorization.

57532229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 57532229 is about 7585.0002636783. Note that the first 3 decimals coincide. The cubic root of 57532229 is about 386.0442310183.

The spelling of 57532229 in words is "fifty-seven million, five hundred thirty-two thousand, two hundred twenty-nine".