550489968 has 90 divisors (see below), whose sum is σ = 1763079864. Its totient is φ = 157070016.

The previous prime is 550489943. The next prime is 550489997. The reversal of 550489968 is 869984055.

It is a happy number.

550489968 is a `hidden beast` number, since 550 + 4 + 89 + 9 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 744543 + ... + 745281.

Almost surely, 2^550489968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550489968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881539932).

550489968 is an abundant number, since it is smaller than the sum of its proper divisors (1212589896).

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

550489968 is an equidigital number, since it uses as much as digits as its factorization.

550489968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 550489968 is about 23462.5226265208. The cubic root of 550489968 is about 819.5644960886.

The spelling of 550489968 in words is "five hundred fifty million, four hundred eighty-nine thousand, nine hundred sixty-eight".