52252644 has 24 divisors (see below), whose sum is σ = 122734528. Its totient is φ = 17301600.

The previous prime is 52252637. The next prime is 52252657. The reversal of 52252644 is 44625225.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12607 + ... + 16230.

Almost surely, 2^52252644 is an apocalyptic number.

It is an amenable number.

52252644 is an abundant number, since it is smaller than the sum of its proper divisors (70481884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52252644 is a wasteful number, since it uses less digits than its factorization.

52252644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28995 (or 28993 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 52252644 is about 7228.5990343911. The cubic root of 52252644 is about 373.8546243116.

Adding to 52252644 its reverse (44625225), we get a palindrome (96877869).

The spelling of 52252644 in words is "fifty-two million, two hundred fifty-two thousand, six hundred forty-four".