52213144 has 8 divisors (see below), whose sum is σ = 97899660. Its totient is φ = 26106568.

The previous prime is 52213141. The next prime is 52213157. The reversal of 52213144 is 44131225.

52213144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52213141) 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 as a sum of consecutive naturals, namely, 3263314 + ... + 3263329.

Almost surely, 2^52213144 is an apocalyptic number.

It is an amenable number.

52213144 is a deficient number, since it is larger than the sum of its proper divisors (45686516).

52213144 is a wasteful number, since it uses less digits than its factorization.

52213144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6526649 (or 6526645 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 52213144 is about 7225.8663148442. The cubic root of 52213144 is about 373.7603963507.

Adding to 52213144 its reverse (44131225), we get a palindrome (96344369).

The spelling of 52213144 in words is "fifty-two million, two hundred thirteen thousand, one hundred forty-four".