56286663 has 4 divisors (see below), whose sum is σ = 75048888. Its totient is φ = 37524440.

The previous prime is 56286661. The next prime is 56286673. The reversal of 56286663 is 36668265.

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 56286663 - 2¹ = 56286661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56286661) 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, 9381108 + ... + 9381113.

It is an arithmetic number, because the mean of its divisors is an integer number (18762222).

Almost surely, 2^56286663 is an apocalyptic number.

56286663 is a deficient number, since it is larger than the sum of its proper divisors (18762225).

56286663 is a wasteful number, since it uses less digits than its factorization.

56286663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18762224.

The product of its digits is 311040, while the sum is 42.

The square root of 56286663 is about 7502.4438018555. The cubic root of 56286663 is about 383.2379431624.

The spelling of 56286663 in words is "fifty-six million, two hundred eighty-six thousand, six hundred sixty-three".