53483016331321 has 2 divisors, whose sum is σ = 53483016331322. Its totient is φ = 53483016331320.

The previous prime is 53483016331249. The next prime is 53483016331373. The reversal of 53483016331321 is 12313361038435.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51493325533225 + 1989690798096 = 7175885^2 + 1410564^2 .

It is a cyclic number.

It is not a de Polignac number, because 53483016331321 - 2¹¹ = 53483016329273 is a prime.

It is not a weakly prime, because it can be changed into another prime (53483016331421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26741508165660 + 26741508165661.

It is an arithmetic number, because the mean of its divisors is an integer number (26741508165661).

Almost surely, 2^{53483016331321} is an apocalyptic number.

It is an amenable number.

53483016331321 is a deficient number, since it is larger than the sum of its proper divisors (1).

53483016331321 is an equidigital number, since it uses as much as digits as its factorization.

53483016331321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

Adding to 53483016331321 its reverse (12313361038435), we get a palindrome (65796377369756).

The spelling of 53483016331321 in words is "fifty-three trillion, four hundred eighty-three billion, sixteen million, three hundred thirty-one thousand, three hundred twenty-one".