5503003 has 8 divisors (see below), whose sum is σ = 6264576. Its totient is φ = 4785000.

The previous prime is 5502967. The next prime is 5503021. The reversal of 5503003 is 3003055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-5503003 is a prime.

It is a Duffinian number.

5503003 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5503033) 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 7 ways as a sum of consecutive naturals, for example, 10623 + ... + 11128.

It is an arithmetic number, because the mean of its divisors is an integer number (783072).

Almost surely, 2^5503003 is an apocalyptic number.

5503003 is a deficient number, since it is larger than the sum of its proper divisors (761573).

5503003 is a wasteful number, since it uses less digits than its factorization.

5503003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21785.

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 5503003 is about 2345.8480342938. The cubic root of 5503003 is about 176.5495370910.

Adding to 5503003 its reverse (3003055), we get a palindrome (8506058).

It can be divided in two parts, 550 and 3003, that added together give a palindrome (3553).

The spelling of 5503003 in words is "five million, five hundred three thousand, three".