5565490560 has 640 divisors, whose sum is σ = 23252328000. Its totient is φ = 1268047872.

The previous prime is 5565490529. The next prime is 5565490613. The reversal of 5565490560 is 650945655.

5565490560 is a `hidden beast` number, since 5 + 56 + 549 + 0 + 56 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×5565490560² = 61949370346898227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17780964 + ... + 17781276.

Almost surely, 2^5565490560 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 5565490560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11626164000).

5565490560 is an abundant number, since it is smaller than the sum of its proper divisors (17686837440).

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

5565490560 is an equidigital number, since it uses as much as digits as its factorization.

5565490560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 5565490560 is about 74602.2155166990. The cubic root of 5565490560 is about 1772.1527383557.

The spelling of 5565490560 in words is "five billion, five hundred sixty-five million, four hundred ninety thousand, five hundred sixty".