550005003 has 18 divisors (see below), whose sum is σ = 830502036. Its totient is φ = 350724792.

The previous prime is 550004999. The next prime is 550005019. The reversal of 550005003 is 300500055.

It is not a de Polignac number, because 550005003 - 2² = 550004999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550005083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53001 + ... + 62522.

It is an arithmetic number, because the mean of its divisors is an integer number (46139002).

Almost surely, 2^550005003 is an apocalyptic number.

550005003 is a deficient number, since it is larger than the sum of its proper divisors (280497033).

550005003 is a wasteful number, since it uses less digits than its factorization.

550005003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115575 (or 115549 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 550005003 is about 23452.1854631930. The cubic root of 550005003 is about 819.3237548745.

Adding to 550005003 its reverse (300500055), we get a palindrome (850505058).

The spelling of 550005003 in words is "five hundred fifty million, five thousand, three".