5550427720 has 64 divisors (see below), whose sum is σ = 12891772080. Its totient is φ = 2149088256.

The previous prime is 5550427697. The next prime is 5550427723. The reversal of 5550427720 is 277240555.

It can be written as a sum of positive squares in 8 ways, for example, as 3441230244 + 2109197476 = 58662^2 + 45926^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 5550427720.

It is not an unprimeable number, because it can be changed into a prime (5550427723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282042 + ... + 301078.

Almost surely, 2^5550427720 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 5550427720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6445886040).

5550427720 is an abundant number, since it is smaller than the sum of its proper divisors (7341344360).

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

5550427720 is a wasteful number, since it uses less digits than its factorization.

5550427720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19282 (or 19278 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 5550427720 is about 74501.1927421300. The cubic root of 5550427720 is about 1770.5525337252.

The spelling of 5550427720 in words is "five billion, five hundred fifty million, four hundred twenty-seven thousand, seven hundred twenty".