52215344 has 20 divisors (see below), whose sum is σ = 106492440. Its totient is φ = 24733440.

The previous prime is 52215343. The next prime is 52215409. The reversal of 52215344 is 44351225.

It is a happy number.

52215344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52215343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85577 + ... + 86184.

It is an arithmetic number, because the mean of its divisors is an integer number (5324622).

Almost surely, 2^52215344 is an apocalyptic number.

It is an amenable number.

52215344 is an abundant number, since it is smaller than the sum of its proper divisors (54277096).

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

52215344 is a wasteful number, since it uses less digits than its factorization.

52215344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171788 (or 171782 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 52215344 is about 7226.0185441223. The cubic root of 52215344 is about 373.7656457397.

Adding to 52215344 its reverse (44351225), we get a palindrome (96566569).

The spelling of 52215344 in words is "fifty-two million, two hundred fifteen thousand, three hundred forty-four".