56055006005 has 4 divisors (see below), whose sum is σ = 67266007212. Its totient is φ = 44844004800.

The previous prime is 56055006001. The next prime is 56055006011. The reversal of 56055006005 is 50060055065.

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 30754286161 + 25300719844 = 175369^2 + 159062^2 .

It is not a de Polignac number, because 56055006005 - 2² = 56055006001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56055006001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5605500596 + ... + 5605500605.

It is an arithmetic number, because the mean of its divisors is an integer number (16816501803).

Almost surely, 2^56055006005 is an apocalyptic number.

It is an amenable number.

56055006005 is a deficient number, since it is larger than the sum of its proper divisors (11211001207).

56055006005 is a wasteful number, since it uses less digits than its factorization.

56055006005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211001206.

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

The spelling of 56055006005 in words is "fifty-six billion, fifty-five million, six thousand, five".