550530103 has 2 divisors, whose sum is σ = 550530104. Its totient is φ = 550530102.

The previous prime is 550530041. The next prime is 550530107. The reversal of 550530103 is 301035055.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550530103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550530107) 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 as a sum of consecutive naturals, namely, 275265051 + 275265052.

It is an arithmetic number, because the mean of its divisors is an integer number (275265052).

Almost surely, 2^550530103 is an apocalyptic number.

550530103 is a deficient number, since it is larger than the sum of its proper divisors (1).

550530103 is an equidigital number, since it uses as much as digits as its factorization.

550530103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 550530103 is about 23463.3779111193. The cubic root of 550530103 is about 819.5844131465.

Adding to 550530103 its reverse (301035055), we get a palindrome (851565158).

The spelling of 550530103 in words is "five hundred fifty million, five hundred thirty thousand, one hundred three".