56818420858 has 8 divisors (see below), whose sum is σ = 85296533652. Its totient is φ = 28386242976.

The previous prime is 56818420831. The next prime is 56818420861. The reversal of 56818420858 is 85802481865.

56818420858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55524795769 + 1293625089 = 235637^2 + 35967^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 56818420799 and 56818420808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11480635 + ... + 11485582.

Almost surely, 2^56818420858 is an apocalyptic number.

56818420858 is a deficient number, since it is larger than the sum of its proper divisors (28478112794).

56818420858 is a wasteful number, since it uses less digits than its factorization.

56818420858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22967456.

The product of its (nonzero) digits is 4915200, while the sum is 55.

The spelling of 56818420858 in words is "fifty-six billion, eight hundred eighteen million, four hundred twenty thousand, eight hundred fifty-eight".