56818416803 has 2 divisors, whose sum is σ = 56818416804. Its totient is φ = 56818416802.

The previous prime is 56818416773. The next prime is 56818416839. The reversal of 56818416803 is 30861481865.

56818416803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56818416803 is a prime.

It is not a weakly prime, because it can be changed into another prime (56818416203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28409208401 + 28409208402.

It is an arithmetic number, because the mean of its divisors is an integer number (28409208402).

Almost surely, 2^56818416803 is an apocalyptic number.

56818416803 is a deficient number, since it is larger than the sum of its proper divisors (1).

56818416803 is an equidigital number, since it uses as much as digits as its factorization.

56818416803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 56818416803 in words is "fifty-six billion, eight hundred eighteen million, four hundred sixteen thousand, eight hundred three".