550552242503 has 4 divisors (see below), whose sum is σ = 550565276040. Its totient is φ = 550539208968.

The previous prime is 550552242473. The next prime is 550552242521. The reversal of 550552242503 is 305242255055.

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 550552242503 - 2¹² = 550552238407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550552242553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6453200 + ... + 6537957.

It is an arithmetic number, because the mean of its divisors is an integer number (137641319010).

Almost surely, 2^550552242503 is an apocalyptic number.

550552242503 is a deficient number, since it is larger than the sum of its proper divisors (13033537).

550552242503 is a wasteful number, since it uses less digits than its factorization.

550552242503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033536.

The product of its (nonzero) digits is 300000, while the sum is 38.

Adding to 550552242503 its reverse (305242255055), we get a palindrome (855794497558).

The spelling of 550552242503 in words is "five hundred fifty billion, five hundred fifty-two million, two hundred forty-two thousand, five hundred three".