5521523020 has 24 divisors (see below), whose sum is σ = 12487137264. Its totient is φ = 2038716096.

The previous prime is 5521523017. The next prime is 5521523047. The reversal of 5521523020 is 203251255.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10618054 + ... + 10618573.

It is an arithmetic number, because the mean of its divisors is an integer number (520297386).

Almost surely, 2^5521523020 is an apocalyptic number.

It is an amenable number.

5521523020 is an abundant number, since it is smaller than the sum of its proper divisors (6965614244).

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

5521523020 is a wasteful number, since it uses less digits than its factorization.

5521523020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21236649 (or 21236647 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 5521523020 is about 74306.9513571913. The cubic root of 5521523020 is about 1767.4737088024.

Adding to 5521523020 its reverse (203251255), we get a palindrome (5724774275).

The spelling of 5521523020 in words is "five billion, five hundred twenty-one million, five hundred twenty-three thousand, twenty".