5550501320 has 128 divisors (see below), whose sum is σ = 15661175040. Its totient is φ = 1723438080.

The previous prime is 5550501263. The next prime is 5550501323. The reversal of 5550501320 is 231050555.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 5550501320.

It is not an unprimeable number, because it can be changed into a prime (5550501323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178535 + ... + 207305.

It is an arithmetic number, because the mean of its divisors is an integer number (122352930).

Almost surely, 2^5550501320 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 5550501320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7830587520).

5550501320 is an abundant number, since it is smaller than the sum of its proper divisors (10110673720).

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

5550501320 is a wasteful number, since it uses less digits than its factorization.

5550501320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28855 (or 28851 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 5550501320 is about 74501.6866923159. The cubic root of 5550501320 is about 1770.5603596740.

Adding to 5550501320 its reverse (231050555), we get a palindrome (5781551875).

The spelling of 5550501320 in words is "five billion, five hundred fifty million, five hundred one thousand, three hundred twenty".