57075229 has 2 divisors, whose sum is σ = 57075230. Its totient is φ = 57075228.

The previous prime is 57075217. The next prime is 57075253. The reversal of 57075229 is 92257075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46172025 + 10903204 = 6795^2 + 3302^2 .

It is a cyclic number.

It is not a de Polignac number, because 57075229 - 2⁷ = 57075101 is a prime.

It is a Chen prime.

It is equal to p_3398644 and since 57075229 and 3398644 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57075299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28537614 + 28537615.

It is an arithmetic number, because the mean of its divisors is an integer number (28537615).

Almost surely, 2^57075229 is an apocalyptic number.

It is an amenable number.

57075229 is a deficient number, since it is larger than the sum of its proper divisors (1).

57075229 is an equidigital number, since it uses as much as digits as its factorization.

57075229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 57075229 is about 7554.8149547160. The cubic root of 57075229 is about 385.0193479904.

The spelling of 57075229 in words is "fifty-seven million, seventy-five thousand, two hundred twenty-nine".