56540318805 has 48 divisors (see below), whose sum is σ = 100523142720. Its totient is φ = 29382845184.

The previous prime is 56540318801. The next prime is 56540318831. The reversal of 56540318805 is 50881304565.

56540318805 is a `hidden beast` number, since 5 + 65 + 403 + 188 + 0 + 5 = 666.

It is not a de Polignac number, because 56540318805 - 2² = 56540318801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56540318801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775897 + ... + 845633.

It is an arithmetic number, because the mean of its divisors is an integer number (2094232140).

Almost surely, 2^56540318805 is an apocalyptic number.

It is an amenable number.

56540318805 is a deficient number, since it is larger than the sum of its proper divisors (43982823915).

56540318805 is a wasteful number, since it uses less digits than its factorization.

56540318805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70210 (or 70207 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 56540318805 in words is "fifty-six billion, five hundred forty million, three hundred eighteen thousand, eight hundred five".