57252229 has 4 divisors (see below), whose sum is σ = 57392620. Its totient is φ = 57111840.

The previous prime is 57252227. The next prime is 57252233. The reversal of 57252229 is 92225275.

57252229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21372129 + 35880100 = 4623^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 57252229 - 2¹ = 57252227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57252194 and 57252203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57252227) 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 3 ways as a sum of consecutive naturals, for example, 69582 + ... + 70399.

It is an arithmetic number, because the mean of its divisors is an integer number (14348155).

Almost surely, 2^57252229 is an apocalyptic number.

It is an amenable number.

57252229 is a deficient number, since it is larger than the sum of its proper divisors (140391).

57252229 is a wasteful number, since it uses less digits than its factorization.

57252229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140390.

The product of its digits is 25200, while the sum is 34.

The square root of 57252229 is about 7566.5202702431. The cubic root of 57252229 is about 385.4169407832.

The spelling of 57252229 in words is "fifty-seven million, two hundred fifty-two thousand, two hundred twenty-nine".