5566443520 has 104 divisors (see below), whose sum is σ = 14572771920. Its totient is φ = 2024079360.

The previous prime is 5566443517. The next prime is 5566443527. The reversal of 5566443520 is 253446655.

It is a happy number.

It is a super-2 number, since 2×5566443520² = 61970586922699980800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (5566443527) 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 7 ways as a sum of consecutive naturals, for example, 212926 + ... + 237634.

Almost surely, 2^5566443520 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 5566443520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7286385960).

5566443520 is an abundant number, since it is smaller than the sum of its proper divisors (9006328400).

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

5566443520 is a wasteful number, since it uses less digits than its factorization.

5566443520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24749 (or 24727 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 5566443520 is about 74608.6021850028. The cubic root of 5566443520 is about 1772.2538791432.

The spelling of 5566443520 in words is "five billion, five hundred sixty-six million, four hundred forty-three thousand, five hundred twenty".