56244491 has 4 divisors (see below), whose sum is σ = 56406000. Its totient is φ = 56082984.

The previous prime is 56244481. The next prime is 56244521. The reversal of 56244491 is 19444265.

56244491 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56244491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56244401) 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, 80231 + ... + 80928.

It is an arithmetic number, because the mean of its divisors is an integer number (14101500).

Almost surely, 2^56244491 is an apocalyptic number.

56244491 is a deficient number, since it is larger than the sum of its proper divisors (161509).

56244491 is a wasteful number, since it uses less digits than its factorization.

56244491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161508.

The product of its digits is 34560, while the sum is 35.

The square root of 56244491 is about 7499.6327243406. The cubic root of 56244491 is about 383.1422073479.

The spelling of 56244491 in words is "fifty-six million, two hundred forty-four thousand, four hundred ninety-one".