56000556005 has 4 divisors (see below), whose sum is σ = 67200667212. Its totient is φ = 44800444800.

The previous prime is 56000555999. The next prime is 56000556023. The reversal of 56000556005 is 50065500065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9468457636 + 46532098369 = 97306^2 + 215713^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56000556005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5600055596 + ... + 5600055605.

It is an arithmetic number, because the mean of its divisors is an integer number (16800166803).

Almost surely, 2^56000556005 is an apocalyptic number.

It is an amenable number.

56000556005 is a deficient number, since it is larger than the sum of its proper divisors (11200111207).

56000556005 is a wasteful number, since it uses less digits than its factorization.

56000556005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200111206.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 56000556005 in words is "fifty-six billion, five hundred fifty-six thousand, five".