52209242 has 16 divisors (see below), whose sum is σ = 79185600. Its totient is φ = 25816032.

The previous prime is 52209221. The next prime is 52209253. The reversal of 52209242 is 24290225.

52209242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 92453 + ... + 93015.

It is an arithmetic number, because the mean of its divisors is an integer number (4949100).

Almost surely, 2^52209242 is an apocalyptic number.

52209242 is a deficient number, since it is larger than the sum of its proper divisors (26976358).

52209242 is a wasteful number, since it uses less digits than its factorization.

52209242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 52209242 is about 7225.5963075721. The cubic root of 52209242 is about 373.7510854806.

Adding to 52209242 its reverse (24290225), we get a palindrome (76499467).

The spelling of 52209242 in words is "fifty-two million, two hundred nine thousand, two hundred forty-two".