56013663 has 8 divisors (see below), whose sum is σ = 75524400. Its totient is φ = 36922688.

The previous prime is 56013647. The next prime is 56013673. The reversal of 56013663 is 36631065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56013663 - 2⁴ = 56013647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56013663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56013673) 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 7 ways as a sum of consecutive naturals, for example, 104628 + ... + 105161.

It is an arithmetic number, because the mean of its divisors is an integer number (9440550).

Almost surely, 2^56013663 is an apocalyptic number.

56013663 is a deficient number, since it is larger than the sum of its proper divisors (19510737).

56013663 is a wasteful number, since it uses less digits than its factorization.

56013663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209881.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 56013663 is about 7484.2276154591. The cubic root of 56013663 is about 382.6173487609.

The spelling of 56013663 in words is "fifty-six million, thirteen thousand, six hundred sixty-three".