52271764 has 12 divisors (see below), whose sum is σ = 91634004. Its totient is φ = 26090624.

The previous prime is 52271743. The next prime is 52271767. The reversal of 52271764 is 46717225.

52271764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17556100 + 34715664 = 4190^2 + 5892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52271767) 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, 8647 + ... + 13390.

It is an arithmetic number, because the mean of its divisors is an integer number (7636167).

Almost surely, 2^52271764 is an apocalyptic number.

It is an amenable number.

52271764 is a deficient number, since it is larger than the sum of its proper divisors (39362240).

52271764 is a wasteful number, since it uses less digits than its factorization.

52271764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22634 (or 22632 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 52271764 is about 7229.9214380241. The cubic root of 52271764 is about 373.9002183599.

Adding to 52271764 its reverse (46717225), we get a palindrome (98988989).

It can be divided in two parts, 52271 and 764, that added together give a palindrome (53035).

The spelling of 52271764 in words is "fifty-two million, two hundred seventy-one thousand, seven hundred sixty-four".