550012100 has 72 divisors (see below), whose sum is σ = 1314478368. Its totient is φ = 198092800.

The previous prime is 550012093. The next prime is 550012139. The reversal of 550012100 is 1210055.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115364 + ... + 120036.

It is an arithmetic number, because the mean of its divisors is an integer number (18256644).

Almost surely, 2^550012100 is an apocalyptic number.

550012100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657239184).

550012100 is an abundant number, since it is smaller than the sum of its proper divisors (764466268).

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

550012100 is a wasteful number, since it uses less digits than its factorization.

550012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805 (or 4798 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 550012100 is about 23452.3367705651. The cubic root of 550012100 is about 819.3272789126.

Adding to 550012100 its reverse (1210055), we get a palindrome (551222155).

The spelling of 550012100 in words is "five hundred fifty million, twelve thousand, one hundred".