5216330806553 has 2 divisors, whose sum is σ = 5216330806554. Its totient is φ = 5216330806552.

The previous prime is 5216330806537. The next prime is 5216330806633. The reversal of 5216330806553 is 3556080336125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4557251491984 + 659079314569 = 2134772^2 + 811837^2 .

It is a cyclic number.

It is not a de Polignac number, because 5216330806553 - 2⁴ = 5216330806537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5216330806498 and 5216330806507.

It is not a weakly prime, because it can be changed into another prime (5216330806513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608165403276 + 2608165403277.

It is an arithmetic number, because the mean of its divisors is an integer number (2608165403277).

Almost surely, 2^{5216330806553} is an apocalyptic number.

It is an amenable number.

5216330806553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5216330806553 is an equidigital number, since it uses as much as digits as its factorization.

5216330806553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 5216330806553 in words is "five trillion, two hundred sixteen billion, three hundred thirty million, eight hundred six thousand, five hundred fifty-three".