550103 has 4 divisors (see below), whose sum is σ = 582480. Its totient is φ = 517728.

The previous prime is 550073. The next prime is 550111. The reversal of 550103 is 301055.

550103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 550103 - 2¹⁴ = 533719 is a prime.

It is a super-2 number, since 2×550103² = 605226621218, 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 (550163) 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, 16163 + ... + 16196.

It is an arithmetic number, because the mean of its divisors is an integer number (145620).

2⁵⁵⁰¹⁰³ is an apocalyptic number.

550103 is a deficient number, since it is larger than the sum of its proper divisors (32377).

550103 is a wasteful number, since it uses less digits than its factorization.

550103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32376.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 550103 is about 741.6892880445. The cubic root of 550103 is about 81.9372412918.

Adding to 550103 its reverse (301055), we get a palindrome (851158).

The spelling of 550103 in words is "five hundred fifty thousand, one hundred three".