57299229 has 24 divisors (see below), whose sum is σ = 89969880. Its totient is φ = 34929792.

The previous prime is 57299213. The next prime is 57299237. The reversal of 57299229 is 92299275.

It is a happy number.

57299229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21622500 + 35676729 = 4650^2 + 5973^2 .

It is not a de Polignac number, because 57299229 - 2⁴ = 57299213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57299239) 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 in 23 ways as a sum of consecutive naturals, for example, 10507 + ... + 14999.

It is an arithmetic number, because the mean of its divisors is an integer number (3748745).

Almost surely, 2^57299229 is an apocalyptic number.

It is an amenable number.

57299229 is a deficient number, since it is larger than the sum of its proper divisors (32670651).

57299229 is a wasteful number, since it uses less digits than its factorization.

57299229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4618 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 57299229 is about 7569.6254200588. The cubic root of 57299229 is about 385.5223785502.

The spelling of 57299229 in words is "fifty-seven million, two hundred ninety-nine thousand, two hundred twenty-nine".