52143224 has 16 divisors (see below), whose sum is σ = 111735600. Its totient is φ = 22347072.

The previous prime is 52143187. The next prime is 52143241. The reversal of 52143224 is 42234125.

It is a happy number.

52143224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52143224² = 5437831618228352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52143224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465509 + ... + 465620.

It is an arithmetic number, because the mean of its divisors is an integer number (6983475).

Almost surely, 2^52143224 is an apocalyptic number.

It is an amenable number.

52143224 is an abundant number, since it is smaller than the sum of its proper divisors (59592376).

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

52143224 is a wasteful number, since it uses less digits than its factorization.

52143224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931142 (or 931138 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 52143224 is about 7221.0265198239. The cubic root of 52143224 is about 373.5934843507.

Adding to 52143224 its reverse (42234125), we get a palindrome (94377349).

Subtracting from 52143224 its reverse (42234125), we obtain a palindrome (9909099).

The spelling of 52143224 in words is "fifty-two million, one hundred forty-three thousand, two hundred twenty-four".