56685300305503 has 8 divisors (see below), whose sum is σ = 57686856867360. Its totient is φ = 55686075658080.

The previous prime is 56685300305489. The next prime is 56685300305507. The reversal of 56685300305503 is 30550300358665.

It is a happy number.

56685300305503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56685300305503 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 (56685300305507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582929563 + ... + 583026796.

It is an arithmetic number, because the mean of its divisors is an integer number (7210857108420).

Almost surely, 2^{56685300305503} is an apocalyptic number.

56685300305503 is a deficient number, since it is larger than the sum of its proper divisors (1001556561857).

56685300305503 is a wasteful number, since it uses less digits than its factorization.

56685300305503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165957217.

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 56685300305503 in words is "fifty-six trillion, six hundred eighty-five billion, three hundred million, three hundred five thousand, five hundred three".