550115112 has 64 divisors (see below), whose sum is σ = 1423540800. Its totient is φ = 177016320.

The previous prime is 550115107. The next prime is 550115117. The reversal of 550115112 is 211511055.

It is an interprime number because it is at equal distance from previous prime (550115107) and next prime (550115117).

It is not an unprimeable number, because it can be changed into a prime (550115117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113964 + ... + 118692.

It is an arithmetic number, because the mean of its divisors is an integer number (22242825).

Almost surely, 2^550115112 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 550115112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711770400).

550115112 is an abundant number, since it is smaller than the sum of its proper divisors (873425688).

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

550115112 is a wasteful number, since it uses less digits than its factorization.

550115112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906 (or 4902 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 550115112 is about 23454.5328668042. The cubic root of 550115112 is about 819.3784264377.

Adding to 550115112 its reverse (211511055), we get a palindrome (761626167).

The spelling of 550115112 in words is "five hundred fifty million, one hundred fifteen thousand, one hundred twelve".