550441100 has 54 divisors (see below), whose sum is σ = 1312944612. Its totient is φ = 200156000.

The previous prime is 550441043. The next prime is 550441103. The reversal of 550441100 is 1144055.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (550441103) 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 17 ways as a sum of consecutive naturals, for example, 10646 + ... + 34845.

Almost surely, 2^550441100 is an apocalyptic number.

550441100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550441100 is an abundant number, since it is smaller than the sum of its proper divisors (762503512).

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

550441100 is a wasteful number, since it uses less digits than its factorization.

550441100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45527 (or 45509 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 550441100 is about 23461.4811979125. The cubic root of 550441100 is about 819.5402439585.

Adding to 550441100 its reverse (1144055), we get a palindrome (551585155).

The spelling of 550441100 in words is "five hundred fifty million, four hundred forty-one thousand, one hundred".