5531522000 has 80 divisors (see below), whose sum is σ = 13513582992. Its totient is φ = 2189721600.

The previous prime is 5531521997. The next prime is 5531522071. The reversal of 5531522000 is 2251355.

It can be written as a sum of positive squares in 8 ways, for example, as 612463504 + 4919058496 = 24748^2 + 70136^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179744 + ... + 208256.

Almost surely, 2^5531522000 is an apocalyptic number.

5531522000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5531522000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6756791496).

5531522000 is an abundant number, since it is smaller than the sum of its proper divisors (7982060992).

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

5531522000 is a wasteful number, since it uses less digits than its factorization.

5531522000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28633 (or 28617 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 5531522000 is about 74374.2025167329. The cubic root of 5531522000 is about 1768.5399772270.

Adding to 5531522000 its reverse (2251355), we get a palindrome (5533773355).

The spelling of 5531522000 in words is "five billion, five hundred thirty-one million, five hundred twenty-two thousand".