5531143320 has 480 divisors, whose sum is σ = 20225343600. Its totient is φ = 1353397248.

The previous prime is 5531143309. The next prime is 5531143337. The reversal of 5531143320 is 233411355.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 128631219 + ... + 128631261.

Almost surely, 2^5531143320 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 5531143320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10112671800).

5531143320 is an abundant number, since it is smaller than the sum of its proper divisors (14694200280).

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

5531143320 is a wasteful number, since it uses less digits than its factorization.

5531143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 5531143320 is about 74371.6566979653. The cubic root of 5531143320 is about 1768.4996190759.

Adding to 5531143320 its reverse (233411355), we get a palindrome (5764554675).

The spelling of 5531143320 in words is "five billion, five hundred thirty-one million, one hundred forty-three thousand, three hundred twenty".