5500055503 has 4 divisors (see below), whose sum is σ = 5500252800. Its totient is φ = 5499858208.

The previous prime is 5500055387. The next prime is 5500055531. The reversal of 5500055503 is 3055500055.

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 5500055503 - 2²⁵ = 5466501071 is a prime.

It is a super-2 number, since 2×5500055503² = 60501221072161166018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500055563) 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, 48250 + ... + 115447.

It is an arithmetic number, because the mean of its divisors is an integer number (1375063200).

Almost surely, 2^5500055503 is an apocalyptic number.

5500055503 is a deficient number, since it is larger than the sum of its proper divisors (197297).

5500055503 is a wasteful number, since it uses less digits than its factorization.

5500055503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197296.

The product of its (nonzero) digits is 9375, while the sum is 28.

The square root of 5500055503 is about 74162.3590711622. The cubic root of 5500055503 is about 1765.1801053680.

Adding to 5500055503 its reverse (3055500055), we get a palindrome (8555555558).

The spelling of 5500055503 in words is "five billion, five hundred million, fifty-five thousand, five hundred three".