56561001063 has 32 divisors (see below), whose sum is σ = 89272834560. Its totient is φ = 31166647680.

The previous prime is 56561001061. The next prime is 56561001073. The reversal of 56561001063 is 36010016565.

56561001063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56561001063 - 2¹ = 56561001061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56561001061) 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, 427108 + ... + 543638.

It is an arithmetic number, because the mean of its divisors is an integer number (2789776080).

Almost surely, 2^56561001063 is an apocalyptic number.

56561001063 is a deficient number, since it is larger than the sum of its proper divisors (32711833497).

56561001063 is a wasteful number, since it uses less digits than its factorization.

56561001063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117367.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 56561001063 in words is "fifty-six billion, five hundred sixty-one million, one thousand, sixty-three".