5520351620 has 96 divisors (see below), whose sum is σ = 13407830016. Its totient is φ = 1870128000.

The previous prime is 5520351619. The next prime is 5520351623. The reversal of 5520351620 is 261530255.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5520351623) 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, 4713635 + ... + 4714805.

It is an arithmetic number, because the mean of its divisors is an integer number (139664896).

Almost surely, 2^5520351620 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 5520351620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6703915008).

5520351620 is an abundant number, since it is smaller than the sum of its proper divisors (7887478396).

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

5520351620 is a wasteful number, since it uses less digits than its factorization.

5520351620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 5520351620 is about 74299.0687693998. The cubic root of 5520351620 is about 1767.3487091646.

Adding to 5520351620 its reverse (261530255), we get a palindrome (5781881875).

The spelling of 5520351620 in words is "five billion, five hundred twenty million, three hundred fifty-one thousand, six hundred twenty".