5321553520 has 120 divisors (see below), whose sum is σ = 13201525584. Its totient is φ = 1994539008.

The previous prime is 5321553481. The next prime is 5321553529. The reversal of 5321553520 is 253551235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5321553529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7791099 + ... + 7791781.

Almost surely, 2^5321553520 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 5321553520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6600762792).

5321553520 is an abundant number, since it is smaller than the sum of its proper divisors (7879972064).

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

5321553520 is a wasteful number, since it uses less digits than its factorization.

5321553520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 5321553520 is about 72948.9788825039. The cubic root of 5321553520 is about 1745.8736544149.

The spelling of 5321553520 in words is "five billion, three hundred twenty-one million, five hundred fifty-three thousand, five hundred twenty".