52252144 has 20 divisors (see below), whose sum is σ = 115701424. Its totient is φ = 22393728.

The previous prime is 52252141. The next prime is 52252153. The reversal of 52252144 is 44125225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52252141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233157 + ... + 233380.

Almost surely, 2^52252144 is an apocalyptic number.

It is an amenable number.

52252144 is an abundant number, since it is smaller than the sum of its proper divisors (63449280).

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

52252144 is a wasteful number, since it uses less digits than its factorization.

52252144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466552 (or 466546 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 52252144 is about 7228.5644494602. The cubic root of 52252144 is about 373.8534318494.

Adding to 52252144 its reverse (44125225), we get a palindrome (96377369).

The spelling of 52252144 in words is "fifty-two million, two hundred fifty-two thousand, one hundred forty-four".