5551500320 has 48 divisors (see below), whose sum is σ = 13153347648. Its totient is φ = 2214178560.

The previous prime is 5551500299. The next prime is 5551500323. The reversal of 5551500320 is 230051555.

It is a self number, because there is not a number n which added to its sum of digits gives 5551500320.

It is not an unprimeable number, because it can be changed into a prime (5551500323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5525 + ... + 105515.

It is an arithmetic number, because the mean of its divisors is an integer number (274028076).

Almost surely, 2^5551500320 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 5551500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6576673824).

5551500320 is an abundant number, since it is smaller than the sum of its proper divisors (7601847328).

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

5551500320 is a wasteful number, since it uses less digits than its factorization.

5551500320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100353 (or 100345 counting only the distinct ones).

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

The square root of 5551500320 is about 74508.3909368603. The cubic root of 5551500320 is about 1770.6665773284. Note that the first 3 decimals are identical.

Adding to 5551500320 its reverse (230051555), we get a palindrome (5781551875).

The spelling of 5551500320 in words is "five billion, five hundred fifty-one million, five hundred thousand, three hundred twenty".