56768863 has 4 divisors (see below), whose sum is σ = 58726440. Its totient is φ = 54811288.

The previous prime is 56768861. The next prime is 56768867. The reversal of 56768863 is 36886765.

It is a happy number.

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 56768863 - 2¹ = 56768861 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56768861) 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, 978745 + ... + 978802.

It is an arithmetic number, because the mean of its divisors is an integer number (14681610).

Almost surely, 2^56768863 is an apocalyptic number.

56768863 is a deficient number, since it is larger than the sum of its proper divisors (1957577).

56768863 is a wasteful number, since it uses less digits than its factorization.

56768863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957576.

The product of its digits is 1451520, while the sum is 49.

The square root of 56768863 is about 7534.5114639239. The cubic root of 56768863 is about 384.3292148342.

The spelling of 56768863 in words is "fifty-six million, seven hundred sixty-eight thousand, eight hundred sixty-three".