550887800 has 48 divisors (see below), whose sum is σ = 1285472040. Its totient is φ = 219553920.

The previous prime is 550887797. The next prime is 550887829. The reversal of 550887800 is 8788055.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51734 + ... + 61466.

Almost surely, 2^550887800 is an apocalyptic number.

550887800 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 550887800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642736020).

550887800 is an abundant number, since it is smaller than the sum of its proper divisors (734584240).

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

550887800 is a wasteful number, since it uses less digits than its factorization.

550887800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032 (or 10023 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 550887800 is about 23470.9991265817. Note that the first 3 decimals coincide. The cubic root of 550887800 is about 819.7618781115.

Adding to 550887800 its sum of digits (41), we get a square (550887841 = 23471²).

The spelling of 550887800 in words is "five hundred fifty million, eight hundred eighty-seven thousand, eight hundred".