5505566256 has 120 divisors (see below), whose sum is σ = 15888581280. Its totient is φ = 1778347008.

The previous prime is 5505566249. The next prime is 5505566273. The reversal of 5505566256 is 6526655055.

It is a super-2 number, since 2×5505566256² = 60622519598411715072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1399300 + ... + 1403228.

It is an arithmetic number, because the mean of its divisors is an integer number (132404844).

Almost surely, 2^5505566256 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 5505566256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7944290640).

5505566256 is an abundant number, since it is smaller than the sum of its proper divisors (10383015024).

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

5505566256 is a wasteful number, since it uses less digits than its factorization.

5505566256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The square root of 5505566256 is about 74199.5030711123. The cubic root of 5505566256 is about 1765.7694463644.

The spelling of 5505566256 in words is "five billion, five hundred five million, five hundred sixty-six thousand, two hundred fifty-six".