550203842879 has 4 divisors (see below), whose sum is σ = 551392188576. Its totient is φ = 549015497184.

The previous prime is 550203842813. The next prime is 550203842911. The reversal of 550203842879 is 978248302055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978248302055 = 5 ⋅195649660411.

It is a cyclic number.

It is not a de Polignac number, because 550203842879 - 2¹² = 550203838783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550203842879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550203842179) 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, 594172154 + ... + 594173079.

It is an arithmetic number, because the mean of its divisors is an integer number (137848047144).

Almost surely, 2^550203842879 is an apocalyptic number.

550203842879 is a deficient number, since it is larger than the sum of its proper divisors (1188345697).

550203842879 is a wasteful number, since it uses less digits than its factorization.

550203842879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188345696.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 550203842879 in words is "five hundred fifty billion, two hundred three million, eight hundred forty-two thousand, eight hundred seventy-nine".