52140244 has 24 divisors (see below), whose sum is σ = 99193248. Its totient is φ = 23837280.

The previous prime is 52140211. The next prime is 52140293. The reversal of 52140244 is 44204125.

It is a happy number.

52140244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 879 + ... + 10249.

It is an arithmetic number, because the mean of its divisors is an integer number (4133052).

Almost surely, 2^52140244 is an apocalyptic number.

It is an amenable number.

52140244 is a deficient number, since it is larger than the sum of its proper divisors (47053004).

52140244 is a wasteful number, since it uses less digits than its factorization.

52140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9495 (or 9493 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 52140244 is about 7220.8201750217. The cubic root of 52140244 is about 373.5863672240.

Adding to 52140244 its reverse (44204125), we get a palindrome (96344369).

The spelling of 52140244 in words is "fifty-two million, one hundred forty thousand, two hundred forty-four".