52224040 has 32 divisors (see below), whose sum is σ = 128187360. Its totient is φ = 18990400.

The previous prime is 52224031. The next prime is 52224047. The reversal of 52224040 is 4042225.

It is a junction number, because it is equal to n+sod(n) for n = 52223999 and 52224017.

It is not an unprimeable number, because it can be changed into a prime (52224047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58906 + ... + 59785.

It is an arithmetic number, because the mean of its divisors is an integer number (4005855).

Almost surely, 2^52224040 is an apocalyptic number.

It is an amenable number.

52224040 is an abundant number, since it is smaller than the sum of its proper divisors (75963320).

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

52224040 is a wasteful number, since it uses less digits than its factorization.

52224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118713 (or 118709 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 52224040 is about 7226.6202335532. The cubic root of 52224040 is about 373.7863936999.

Adding to 52224040 its reverse (4042225), we get a palindrome (56266265).

The spelling of 52224040 in words is "fifty-two million, two hundred twenty-four thousand, forty".