52200344530021 has 4 divisors (see below), whose sum is σ = 53611164652492. Its totient is φ = 50789524407552.

The previous prime is 52200344529967. The next prime is 52200344530049. The reversal of 52200344530021 is 12003544300225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41788661292225 + 10411683237796 = 6464415^2 + 3226714^2 .

It is a cyclic number.

It is not a de Polignac number, because 52200344530021 - 2²¹ = 52200342432869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52200344530051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705410061180 + ... + 705410061253.

It is an arithmetic number, because the mean of its divisors is an integer number (13402791163123).

Almost surely, 2^{52200344530021} is an apocalyptic number.

It is an amenable number.

52200344530021 is a deficient number, since it is larger than the sum of its proper divisors (1410820122471).

52200344530021 is a wasteful number, since it uses less digits than its factorization.

52200344530021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410820122470.

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

Adding to 52200344530021 its reverse (12003544300225), we get a palindrome (64203888830246).

The spelling of 52200344530021 in words is "fifty-two trillion, two hundred billion, three hundred forty-four million, five hundred thirty thousand, twenty-one".