56396863 has 4 divisors (see below), whose sum is σ = 56509488. Its totient is φ = 56284240.

The previous prime is 56396849. The next prime is 56396881. The reversal of 56396863 is 36869365.

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 56396863 - 2¹⁷ = 56265791 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 (56396833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55558 + ... + 56563.

It is an arithmetic number, because the mean of its divisors is an integer number (14127372).

Almost surely, 2^56396863 is an apocalyptic number.

56396863 is a deficient number, since it is larger than the sum of its proper divisors (112625).

56396863 is a wasteful number, since it uses less digits than its factorization.

56396863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112624.

The product of its digits is 699840, while the sum is 46.

The square root of 56396863 is about 7509.7844842579. The cubic root of 56396863 is about 383.4878856733.

The spelling of 56396863 in words is "fifty-six million, three hundred ninety-six thousand, eight hundred sixty-three".