56685109703 has 4 divisors (see below), whose sum is σ = 56885410728. Its totient is φ = 56484808680.

The previous prime is 56685109669. The next prime is 56685109709. The reversal of 56685109703 is 30790158665.

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 56685109703 - 2⁶ = 56685109639 is a prime.

It is a super-3 number, since 3×56685109703³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56685109709) 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, 100150088 + ... + 100150653.

It is an arithmetic number, because the mean of its divisors is an integer number (14221352682).

Almost surely, 2^56685109703 is an apocalyptic number.

56685109703 is a deficient number, since it is larger than the sum of its proper divisors (200301025).

56685109703 is a wasteful number, since it uses less digits than its factorization.

56685109703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200301024.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 56685109703 in words is "fifty-six billion, six hundred eighty-five million, one hundred nine thousand, seven hundred three".