52321243252 has 6 divisors (see below), whose sum is σ = 91562175698. Its totient is φ = 26160621624.

The previous prime is 52321243241. The next prime is 52321243253. The reversal of 52321243252 is 25234212325.

It can be written as a sum of positive squares in only one way, i.e., 45336629776 + 6984613476 = 212924^2 + 83574^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52321243253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6540155403 + ... + 6540155410.

Almost surely, 2^52321243252 is an apocalyptic number.

It is an amenable number.

52321243252 is a deficient number, since it is larger than the sum of its proper divisors (39240932446).

52321243252 is a wasteful number, since it uses less digits than its factorization.

52321243252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13080310817 (or 13080310815 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

Adding to 52321243252 its reverse (25234212325), we get a palindrome (77555455577).

The spelling of 52321243252 in words is "fifty-two billion, three hundred twenty-one million, two hundred forty-three thousand, two hundred fifty-two".