9950565560 has 128 divisors (see below), whose sum is σ = 24719748480. Its totient is φ = 3582179328.

The previous prime is 9950565557. The next prime is 9950565577. The reversal of 9950565560 is 655650599.

It is a super-2 number, since 2×9950565560² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9950565499 and 9950565508.

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, 4766837 + ... + 4768923.

It is an arithmetic number, because the mean of its divisors is an integer number (193123035).

Almost surely, 2^9950565560 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 9950565560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12359874240).

9950565560 is an abundant number, since it is smaller than the sum of its proper divisors (14769182920).

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

9950565560 is a wasteful number, since it uses less digits than its factorization.

9950565560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 1822500, while the sum is 50.

The square root of 9950565560 is about 99752.5215721387. The cubic root of 9950565560 is about 2150.8787149103.

The spelling of 9950565560 in words is "nine billion, nine hundred fifty million, five hundred sixty-five thousand, five hundred sixty".