52209424 has 20 divisors (see below), whose sum is σ = 102582720. Its totient is φ = 25736480.

The previous prime is 52209419. The next prime is 52209427. The reversal of 52209424 is 42490225.

It is a junction number, because it is equal to n+sod(n) for n = 52209392 and 52209401.

It is not an unprimeable number, because it can be changed into a prime (52209427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21844 + ... + 24115.

It is an arithmetic number, because the mean of its divisors is an integer number (5129136).

Almost surely, 2^52209424 is an apocalyptic number.

It is an amenable number.

52209424 is a deficient number, since it is larger than the sum of its proper divisors (50373296).

52209424 is a wasteful number, since it uses less digits than its factorization.

52209424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46038 (or 46032 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 52209424 is about 7225.6089016774. The cubic root of 52209424 is about 373.7515197755.

Adding to 52209424 its reverse (42490225), we get a palindrome (94699649).

The spelling of 52209424 in words is "fifty-two million, two hundred nine thousand, four hundred twenty-four".