56005105055 has 4 divisors (see below), whose sum is σ = 67206126072. Its totient is φ = 44804084040.

The previous prime is 56005105007. The next prime is 56005105069. The reversal of 56005105055 is 55050150065.

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

It is not a de Polignac number, because 56005105055 - 2³⁴ = 38825235871 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5600510501 + ... + 5600510510.

It is an arithmetic number, because the mean of its divisors is an integer number (16801531518).

Almost surely, 2^56005105055 is an apocalyptic number.

56005105055 is a deficient number, since it is larger than the sum of its proper divisors (11201021017).

56005105055 is a wasteful number, since it uses less digits than its factorization.

56005105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201021016.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 56005105055 in words is "fifty-six billion, five million, one hundred five thousand, fifty-five".