550333143 has 16 divisors (see below), whose sum is σ = 823384800. Its totient is φ = 363254400.

The previous prime is 550333127. The next prime is 550333177. The reversal of 550333143 is 341333055.

It is a happy number.

It is not a de Polignac number, because 550333143 - 2⁴ = 550333127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550333103) 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, 98178 + ... + 103631.

It is an arithmetic number, because the mean of its divisors is an integer number (51461550).

Almost surely, 2^550333143 is an apocalyptic number.

550333143 is a deficient number, since it is larger than the sum of its proper divisors (273051657).

550333143 is a wasteful number, since it uses less digits than its factorization.

550333143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201919 (or 201913 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 550333143 is about 23459.1803565257. The cubic root of 550333143 is about 819.4866621488.

Adding to 550333143 its reverse (341333055), we get a palindrome (891666198).

The spelling of 550333143 in words is "five hundred fifty million, three hundred thirty-three thousand, one hundred forty-three".