53252225 has 12 divisors (see below), whose sum is σ = 71112636. Its totient is φ = 39324480.

The previous prime is 53252197. The next prime is 53252237. The reversal of 53252225 is 52225235.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 78961 + 53173264 = 281^2 + 7292^2 .

It is not a de Polignac number, because 53252225 - 2¹⁴ = 53235841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53252194 and 53252203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81602 + ... + 82251.

It is an arithmetic number, because the mean of its divisors is an integer number (5926053).

Almost surely, 2^53252225 is an apocalyptic number.

It is an amenable number.

53252225 is a deficient number, since it is larger than the sum of its proper divisors (17860411).

53252225 is a wasteful number, since it uses less digits than its factorization.

53252225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163876 (or 163871 counting only the distinct ones).

The product of its digits is 6000, while the sum is 26.

The square root of 53252225 is about 7297.4122125586. The cubic root of 53252225 is about 376.2235000817.

The spelling of 53252225 in words is "fifty-three million, two hundred fifty-two thousand, two hundred twenty-five".