52571224 has 16 divisors (see below), whose sum is σ = 98818200. Its totient is φ = 26219712.

The previous prime is 52571219. The next prime is 52571227. The reversal of 52571224 is 42217525.

It is a junction number, because it is equal to n+sod(n) for n = 52571192 and 52571201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52571227) 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, 4762 + ... + 11305.

Almost surely, 2^52571224 is an apocalyptic number.

It is an amenable number.

52571224 is a deficient number, since it is larger than the sum of its proper divisors (46246976).

52571224 is a wasteful number, since it uses less digits than its factorization.

52571224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16482 (or 16478 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 52571224 is about 7250.6016302097. The cubic root of 52571224 is about 374.6128721934.

Adding to 52571224 its reverse (42217525), we get a palindrome (94788749).

The spelling of 52571224 in words is "fifty-two million, five hundred seventy-one thousand, two hundred twenty-four".