5565309120 has 560 divisors, whose sum is σ = 23264408640. Its totient is φ = 1236197376.

The previous prime is 5565309109. The next prime is 5565309143. The reversal of 5565309120 is 219035655.

5565309120 is a `hidden beast` number, since 5 + 565 + 3 + 0 + 91 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 6712866 + ... + 6713694.

Almost surely, 2^5565309120 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 5565309120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11632204320).

5565309120 is an abundant number, since it is smaller than the sum of its proper divisors (17699099520).

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

5565309120 is a wasteful number, since it uses less digits than its factorization.

5565309120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 5565309120 is about 74600.9994571118. Note that the first 3 decimals coincide. The cubic root of 5565309120 is about 1772.1334802218.

The spelling of 5565309120 in words is "five billion, five hundred sixty-five million, three hundred nine thousand, one hundred twenty".