550431112 has 96 divisors (see below), whose sum is σ = 1323047520. Its totient is φ = 212271360.

The previous prime is 550431103. The next prime is 550431127. The reversal of 550431112 is 211134055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 460788 + ... + 461980.

It is an arithmetic number, because the mean of its divisors is an integer number (13781745).

Almost surely, 2^550431112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550431112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661523760).

550431112 is an abundant number, since it is smaller than the sum of its proper divisors (772616408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550431112 is a wasteful number, since it uses less digits than its factorization.

550431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 550431112 is about 23461.2683374109. The cubic root of 550431112 is about 819.5352869538.

Adding to 550431112 its reverse (211134055), we get a palindrome (761565167).

The spelling of 550431112 in words is "five hundred fifty million, four hundred thirty-one thousand, one hundred twelve".