5505555503 has 4 divisors (see below), whose sum is σ = 6292063440. Its totient is φ = 4719047568.

The previous prime is 5505555499. The next prime is 5505555521. The reversal of 5505555503 is 3055555055.

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 5505555503 - 2² = 5505555499 is a prime.

It is a super-2 number, since 2×5505555503² = 60622282793227166018, 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 (5505555533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393253958 + ... + 393253971.

It is an arithmetic number, because the mean of its divisors is an integer number (1573015860).

Almost surely, 2^5505555503 is an apocalyptic number.

5505555503 is a deficient number, since it is larger than the sum of its proper divisors (786507937).

5505555503 is an equidigital number, since it uses as much as digits as its factorization.

5505555503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786507936.

The product of its (nonzero) digits is 234375, while the sum is 38.

The square root of 5505555503 is about 74199.4306110229. The cubic root of 5505555503 is about 1765.7682967805.

The spelling of 5505555503 in words is "five billion, five hundred five million, five hundred fifty-five thousand, five hundred three".