56255640818 has 8 divisors (see below), whose sum is σ = 90874496748. Its totient is φ = 25964141904.

The previous prime is 56255640757. The next prime is 56255640823. The reversal of 56255640818 is 81804655265.

56255640818 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 55327037089 + 928603729 = 235217^2 + 30473^2 .

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

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, 1081839221 + ... + 1081839272.

Almost surely, 2^56255640818 is an apocalyptic number.

56255640818 is a deficient number, since it is larger than the sum of its proper divisors (34618855930).

56255640818 is a wasteful number, since it uses less digits than its factorization.

56255640818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163678508.

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 56255640818 in words is "fifty-six billion, two hundred fifty-five million, six hundred forty thousand, eight hundred eighteen".