550520000 has 70 divisors (see below), whose sum is σ = 1365209868. Its totient is φ = 220192000.

The previous prime is 550519999. The next prime is 550520017. The reversal of 550520000 is 25055.

It is a happy number.

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, 33119 + ... + 46881.

Almost surely, 2^550520000 is an apocalyptic number.

550520000 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 550520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682604934).

550520000 is an abundant number, since it is smaller than the sum of its proper divisors (814689868).

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

550520000 is an equidigital number, since it uses as much as digits as its factorization.

550520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13795 (or 13770 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 17.

The square root of 550520000 is about 23463.1626171750. The cubic root of 550520000 is about 819.5793996078.

Adding to 550520000 its reverse (25055), we get a palindrome (550545055).

The spelling of 550520000 in words is "five hundred fifty million, five hundred twenty thousand".