5503321520 has 20 divisors (see below), whose sum is σ = 12795222720. Its totient is φ = 2201328576.

The previous prime is 5503321517. The next prime is 5503321553. The reversal of 5503321520 is 251233055.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×5503321520² = 60573095504990220800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5503321520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34395680 + ... + 34395839.

It is an arithmetic number, because the mean of its divisors is an integer number (639761136).

Almost surely, 2^5503321520 is an apocalyptic number.

It is an amenable number.

5503321520 is an abundant number, since it is smaller than the sum of its proper divisors (7291901200).

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

5503321520 is a wasteful number, since it uses less digits than its factorization.

5503321520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68791532 (or 68791526 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 5503321520 is about 74184.3751742913. The cubic root of 5503321520 is about 1765.5294332047.

Adding to 5503321520 its reverse (251233055), we get a palindrome (5754554575).

The spelling of 5503321520 in words is "five billion, five hundred three million, three hundred twenty-one thousand, five hundred twenty".