550203143 has 16 divisors (see below), whose sum is σ = 640704000. Its totient is φ = 462709152.

The previous prime is 550203139. The next prime is 550203179. The reversal of 550203143 is 341302055.

550203143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550203143 - 2² = 550203139 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 (550203193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291878 + ... + 293756.

It is an arithmetic number, because the mean of its divisors is an integer number (40044000).

Almost surely, 2^550203143 is an apocalyptic number.

550203143 is a deficient number, since it is larger than the sum of its proper divisors (90500857).

550203143 is a wasteful number, since it uses less digits than its factorization.

550203143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 550203143 is about 23456.4094225864. The cubic root of 550203143 is about 819.4221305361.

Adding to 550203143 its reverse (341302055), we get a palindrome (891505198).

The spelling of 550203143 in words is "five hundred fifty million, two hundred three thousand, one hundred forty-three".