56323663 has 4 divisors (see below), whose sum is σ = 61444008. Its totient is φ = 51203320.

The previous prime is 56323649. The next prime is 56323693. The reversal of 56323663 is 36632365.

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

It is a cyclic number.

It is not a de Polignac number, because 56323663 - 2²¹ = 54226511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56323633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560156 + ... + 2560177.

It is an arithmetic number, because the mean of its divisors is an integer number (15361002).

Almost surely, 2^56323663 is an apocalyptic number.

56323663 is a deficient number, since it is larger than the sum of its proper divisors (5120345).

56323663 is a wasteful number, since it uses less digits than its factorization.

56323663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120344.

The product of its digits is 58320, while the sum is 34.

The square root of 56323663 is about 7504.9092599445. The cubic root of 56323663 is about 383.3218985037.

The spelling of 56323663 in words is "fifty-six million, three hundred twenty-three thousand, six hundred sixty-three".