52225257 has 16 divisors (see below), whose sum is σ = 80704512. Its totient is φ = 29421840.

The previous prime is 52225253. The next prime is 52225301. The reversal of 52225257 is 75252225.

It is not a de Polignac number, because 52225257 - 2² = 52225253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52225253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16023 + ... + 19004.

It is an arithmetic number, because the mean of its divisors is an integer number (5044032).

Almost surely, 2^52225257 is an apocalyptic number.

It is an amenable number.

52225257 is a deficient number, since it is larger than the sum of its proper divisors (28479255).

52225257 is a wasteful number, since it uses less digits than its factorization.

52225257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35108.

The product of its digits is 14000, while the sum is 30.

The square root of 52225257 is about 7226.7044356332. The cubic root of 52225257 is about 373.7892971808.

The spelling of 52225257 in words is "fifty-two million, two hundred twenty-five thousand, two hundred fifty-seven".