5521544000 has 224 divisors, whose sum is σ = 15997952256. Its totient is φ = 1848268800.

The previous prime is 5521543981. The next prime is 5521544009. The reversal of 5521544000 is 4451255.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521544009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2406854 + ... + 2409146.

Almost surely, 2^5521544000 is an apocalyptic number.

5521544000 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 5521544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7998976128).

5521544000 is an abundant number, since it is smaller than the sum of its proper divisors (10476408256).

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

5521544000 is a wasteful number, since it uses less digits than its factorization.

5521544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 5521544000 is about 74307.0925282372. The cubic root of 5521544000 is about 1767.4759474089.

Adding to 5521544000 its reverse (4451255), we get a palindrome (5525995255).

The spelling of 5521544000 in words is "five billion, five hundred twenty-one million, five hundred forty-four thousand".