5565560056 has 128 divisors (see below), whose sum is σ = 13001472000. Its totient is φ = 2181053952.

The previous prime is 5565560041. The next prime is 5565560057. The reversal of 5565560056 is 6500655655.

It is a junction number, because it is equal to n+sod(n) for n = 5565559994 and 5565560021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565560057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4070685 + ... + 4072051.

It is an arithmetic number, because the mean of its divisors is an integer number (101574000).

Almost surely, 2^5565560056 is an apocalyptic number.

5565560056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5565560056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6500736000).

5565560056 is an abundant number, since it is smaller than the sum of its proper divisors (7435911944).

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

5565560056 is a wasteful number, since it uses less digits than its factorization.

5565560056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 43.

The square root of 5565560056 is about 74602.6812922967. The cubic root of 5565560056 is about 1772.1601145856.

The spelling of 5565560056 in words is "five billion, five hundred sixty-five million, five hundred sixty thousand, fifty-six".