5510330821 has 2 divisors, whose sum is σ = 5510330822. Its totient is φ = 5510330820.

The previous prime is 5510330797. The next prime is 5510330851. The reversal of 5510330821 is 1280330155.

5510330821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4184278596 + 1326052225 = 64686^2 + 36415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5510330821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5510330821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5510330851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755165410 + 2755165411.

It is an arithmetic number, because the mean of its divisors is an integer number (2755165411).

Almost surely, 2^5510330821 is an apocalyptic number.

It is an amenable number.

5510330821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5510330821 is an equidigital number, since it uses as much as digits as its factorization.

5510330821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5510330821 is about 74231.6025759919. The cubic root of 5510330821 is about 1766.2786702509.

Adding to 5510330821 its reverse (1280330155), we get a palindrome (6790660976).

The spelling of 5510330821 in words is "five billion, five hundred ten million, three hundred thirty thousand, eight hundred twenty-one".