3563021056 has 144 divisors (see below), whose sum is σ = 8612271360. Its totient is φ = 1437143040.

The previous prime is 3563021047. The next prime is 3563021081. The reversal of 3563021056 is 6501203653.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7728666 + ... + 7729126.

It is an arithmetic number, because the mean of its divisors is an integer number (59807440).

Almost surely, 2^3563021056 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 3563021056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4306135680).

3563021056 is an abundant number, since it is smaller than the sum of its proper divisors (5049250304).

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

3563021056 is a wasteful number, since it uses less digits than its factorization.

3563021056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 3563021056 is about 59691.0466988141. The cubic root of 3563021056 is about 1527.3531430481.

The spelling of 3563021056 in words is "three billion, five hundred sixty-three million, twenty-one thousand, fifty-six".