52212514553321 has 4 divisors (see below), whose sum is σ = 52227193363332. Its totient is φ = 52197835743312.

The previous prime is 52212514553281. The next prime is 52212514553323. The reversal of 52212514553321 is 12335541521225.

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 2442156307600 + 49770358245721 = 1562740^2 + 7054811^2 .

It is a cyclic number.

It is not a de Polignac number, because 52212514553321 - 2²² = 52212510359017 is a prime.

It is a super-2 number, since 2×52212514553321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52212514553323) 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, 7339399670 + ... + 7339406783.

It is an arithmetic number, because the mean of its divisors is an integer number (13056798340833).

Almost surely, 2^{52212514553321} is an apocalyptic number.

It is an amenable number.

52212514553321 is a deficient number, since it is larger than the sum of its proper divisors (14678810011).

52212514553321 is a wasteful number, since it uses less digits than its factorization.

52212514553321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14678810010.

The product of its digits is 360000, while the sum is 41.

The spelling of 52212514553321 in words is "fifty-two trillion, two hundred twelve billion, five hundred fourteen million, five hundred fifty-three thousand, three hundred twenty-one".