5565505560 has 128 divisors (see below), whose sum is σ = 17792291520. Its totient is φ = 1387855872.

The previous prime is 5565505531. The next prime is 5565505637. The reversal of 5565505560 is 655055655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311592 + ... + 328968.

Almost surely, 2^5565505560 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 5565505560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8896145760).

5565505560 is an abundant number, since it is smaller than the sum of its proper divisors (12226785960).

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

5565505560 is a wasteful number, since it uses less digits than its factorization.

5565505560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17565 (or 17561 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 42.

The square root of 5565505560 is about 74602.3160498386. The cubic root of 5565505560 is about 1772.1543304446.

It can be divided in two parts, 5 and 565505560, that added together give a palindrome (565505565).

The spelling of 5565505560 in words is "five billion, five hundred sixty-five million, five hundred five thousand, five hundred sixty".