5505503231 has 4 divisors (see below), whose sum is σ = 5695348200. Its totient is φ = 5315658264.

The previous prime is 5505503203. The next prime is 5505503273. The reversal of 5505503231 is 1323055055.

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 5505503231 - 2³⁰ = 4431761407 is a prime.

It is a super-2 number, since 2×5505503231² = 60621131653102878722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 189844939 = 5505503231 / (5 + 5 + 0 + 5 + 5 + 0 + 3 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5505503194 and 5505503203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505505231) 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, 94922441 + ... + 94922498.

It is an arithmetic number, because the mean of its divisors is an integer number (1423837050).

Almost surely, 2^5505503231 is an apocalyptic number.

5505503231 is a deficient number, since it is larger than the sum of its proper divisors (189844969).

5505503231 is a wasteful number, since it uses less digits than its factorization.

5505503231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189844968.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 5505503231 is about 74199.0783702871. The cubic root of 5505503231 is about 1765.7627084536.

Adding to 5505503231 its reverse (1323055055), we get a palindrome (6828558286).

The spelling of 5505503231 in words is "five billion, five hundred five million, five hundred three thousand, two hundred thirty-one".