52502116443361 has 8 divisors (see below), whose sum is σ = 56543992552040. Its totient is φ = 48460704872832.

The previous prime is 52502116443349. The next prime is 52502116443461. The reversal of 52502116443361 is 16334461120525.

It can be written as a sum of positive squares in 4 ways, for example, as 10181562012736 + 42320554430625 = 3190856^2 + 6505425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52502116443361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52502116443461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115899780 + ... + 116351893.

It is an arithmetic number, because the mean of its divisors is an integer number (7067999069005).

Almost surely, 2^{52502116443361} is an apocalyptic number.

It is an amenable number.

52502116443361 is a deficient number, since it is larger than the sum of its proper divisors (4041876108679).

52502116443361 is a wasteful number, since it uses less digits than its factorization.

52502116443361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232269075.

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 52502116443361 its reverse (16334461120525), we get a palindrome (68836577563886).

The spelling of 52502116443361 in words is "fifty-two trillion, five hundred two billion, one hundred sixteen million, four hundred forty-three thousand, three hundred sixty-one".