56205841 has 4 divisors (see below), whose sum is σ = 56236852. Its totient is φ = 56174832.

The previous prime is 56205829. The next prime is 56205847. The reversal of 56205841 is 14850265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41796225 + 14409616 = 6465^2 + 3796^2 .

It is a cyclic number.

It is not a de Polignac number, because 56205841 - 2⁷ = 56205713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56205847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12606 + ... + 16471.

It is an arithmetic number, because the mean of its divisors is an integer number (14059213).

Almost surely, 2^56205841 is an apocalyptic number.

It is an amenable number.

56205841 is a deficient number, since it is larger than the sum of its proper divisors (31011).

56205841 is a wasteful number, since it uses less digits than its factorization.

56205841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31010.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 56205841 is about 7497.0554886569. The cubic root of 56205841 is about 383.0544248863.

The spelling of 56205841 in words is "fifty-six million, two hundred five thousand, eight hundred forty-one".