56122243 has 4 divisors (see below), whose sum is σ = 56752920. Its totient is φ = 55491568.

The previous prime is 56122237. The next prime is 56122259. The reversal of 56122243 is 34222165.

56122243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34222165 = 5 ⋅6844433.

It is a cyclic number.

It is not a de Polignac number, because 56122243 - 2⁵ = 56122211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56122273) 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 3 ways as a sum of consecutive naturals, for example, 315205 + ... + 315382.

It is an arithmetic number, because the mean of its divisors is an integer number (14188230).

Almost surely, 2^56122243 is an apocalyptic number.

56122243 is a deficient number, since it is larger than the sum of its proper divisors (630677).

56122243 is an equidigital number, since it uses as much as digits as its factorization.

56122243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630676.

The product of its digits is 2880, while the sum is 25.

The square root of 56122243 is about 7491.4780250629. The cubic root of 56122243 is about 382.8644181024.

It can be divided in two parts, 56122 and 243, that added together give a palindrome (56365).

The spelling of 56122243 in words is "fifty-six million, one hundred twenty-two thousand, two hundred forty-three".