550180000 has 60 divisors (see below), whose sum is σ = 1353574530. Its totient is φ = 220064000.

The previous prime is 550179991. The next prime is 550180019. The reversal of 550180000 is 81055.

It can be written as a sum of positive squares in 5 ways, for example, as 15460624 + 534719376 = 3932^2 + 23124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 550180000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6246 + ... + 33754.

Almost surely, 2^550180000 is an apocalyptic number.

550180000 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 550180000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676787265).

550180000 is an abundant number, since it is smaller than the sum of its proper divisors (803394530).

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

550180000 is an equidigital number, since it uses as much as digits as its factorization.

550180000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27539 (or 27516 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 550180000 is about 23455.9160980764. The cubic root of 550180000 is about 819.4106413541.

The spelling of 550180000 in words is "five hundred fifty million, one hundred eighty thousand".