52638225 has 24 divisors (see below), whose sum is σ = 87812832. Its totient is φ = 27820800.

The previous prime is 52638221. The next prime is 52638251. The reversal of 52638225 is 52283625.

It is not a de Polignac number, because 52638225 - 2² = 52638221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52638221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5370 + ... + 11580.

It is an arithmetic number, because the mean of its divisors is an integer number (3658868).

Almost surely, 2^52638225 is an apocalyptic number.

It is an amenable number.

52638225 is a deficient number, since it is larger than the sum of its proper divisors (35174607).

52638225 is a wasteful number, since it uses less digits than its factorization.

52638225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337 (or 6332 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 52638225 is about 7255.2205342085. The cubic root of 52638225 is about 374.7719502325.

The spelling of 52638225 in words is "fifty-two million, six hundred thirty-eight thousand, two hundred twenty-five".