56022561 has 12 divisors (see below), whose sum is σ = 92481792. Its totient is φ = 32012856.

The previous prime is 56022557. The next prime is 56022569. The reversal of 56022561 is 16522065.

56022561 is a `hidden beast` number, since 5 + 602 + 2 + 56 + 1 = 666.

56022561 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 56022561 - 2² = 56022557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56022569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444561 + ... + 444686.

It is an arithmetic number, because the mean of its divisors is an integer number (7706816).

Almost surely, 2^56022561 is an apocalyptic number.

It is an amenable number.

56022561 is a deficient number, since it is larger than the sum of its proper divisors (36459231).

56022561 is a wasteful number, since it uses less digits than its factorization.

56022561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889260 (or 889257 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 56022561 is about 7484.8220419727. The cubic root of 56022561 is about 382.6376077997.

The spelling of 56022561 in words is "fifty-six million, twenty-two thousand, five hundred sixty-one".