56509056 is a `hidden beast` number, since 565 + 0 + 90 + 5 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (128).
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 56509056.
It is a congruent number.
Almost surely, 256509056 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 56509056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84823200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56509056 is a wasteful number, since it uses less digits than its factorization.
56509056 is an evil number, because the sum of its binary digits is even.
The square root of 56509056 is about 7517.2505612092. The cubic root of 56509056 is about 383.7420142142.
The spelling of 56509056 in words is "fifty-six million, five hundred nine thousand, fifty-six".