5515330823 has 4 divisors (see below), whose sum is σ = 5526564168. Its totient is φ = 5504097480.

The previous prime is 5515330813. The next prime is 5515330853. The reversal of 5515330823 is 3280335155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5515330823 - 2²⁶ = 5448221959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515330813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5615936 + ... + 5616917.

It is an arithmetic number, because the mean of its divisors is an integer number (1381641042).

Almost surely, 2^5515330823 is an apocalyptic number.

5515330823 is a deficient number, since it is larger than the sum of its proper divisors (11233345).

5515330823 is a wasteful number, since it uses less digits than its factorization.

5515330823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233344.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 5515330823 is about 74265.2733314838. The cubic root of 5515330823 is about 1766.8127414559.

Adding to 5515330823 its reverse (3280335155), we get a palindrome (8795665978).

The spelling of 5515330823 in words is "five billion, five hundred fifteen million, three hundred thirty thousand, eight hundred twenty-three".