53016301321 has 2 divisors, whose sum is σ = 53016301322. Its totient is φ = 53016301320.

The previous prime is 53016301313. The next prime is 53016301399. The reversal of 53016301321 is 12310361035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49401285696 + 3615015625 = 222264^2 + 60125^2 .

It is a cyclic number.

It is not a de Polignac number, because 53016301321 - 2³ = 53016301313 is a prime.

It is not a weakly prime, because it can be changed into another prime (53016301301) 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 as a sum of consecutive naturals, namely, 26508150660 + 26508150661.

It is an arithmetic number, because the mean of its divisors is an integer number (26508150661).

Almost surely, 2^53016301321 is an apocalyptic number.

It is an amenable number.

53016301321 is a deficient number, since it is larger than the sum of its proper divisors (1).

53016301321 is an equidigital number, since it uses as much as digits as its factorization.

53016301321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 53016301321 its reverse (12310361035), we get a palindrome (65326662356).

The spelling of 53016301321 in words is "fifty-three billion, sixteen million, three hundred one thousand, three hundred twenty-one".