53316225 has 60 divisors (see below), whose sum is σ = 100061676. Its totient is φ = 28062720.

The previous prime is 53316209. The next prime is 53316227. The reversal of 53316225 is 52261335.

53316225 is a `hidden beast` number, since 5 + 3 + 31 + 622 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 18352656 + 34963569 = 4284^2 + 5913^2 .

It is not a de Polignac number, because 53316225 - 2⁴ = 53316209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53316227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 228709 + ... + 228941.

Almost surely, 2^53316225 is an apocalyptic number.

It is an amenable number.

53316225 is a deficient number, since it is larger than the sum of its proper divisors (46745451).

53316225 is a wasteful number, since it uses less digits than its factorization.

53316225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 354 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 53316225 is about 7301.7960119412. The cubic root of 53316225 is about 376.3741583528.

The spelling of 53316225 in words is "fifty-three million, three hundred sixteen thousand, two hundred twenty-five".