56001105055 has 24 divisors (see below), whose sum is σ = 78241282560. Its totient is φ = 38367201600.

The previous prime is 56001105049. The next prime is 56001105071. The reversal of 56001105055 is 55050110065.

It is not a de Polignac number, because 56001105055 - 2⁹ = 56001104543 is a prime.

It is a super-2 number, since 2×56001105055² (a number of 22 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 182701 + ... + 381289.

It is an arithmetic number, because the mean of its divisors is an integer number (3260053440).

Almost surely, 2^56001105055 is an apocalyptic number.

56001105055 is a deficient number, since it is larger than the sum of its proper divisors (22240177505).

56001105055 is a wasteful number, since it uses less digits than its factorization.

56001105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199759 (or 199752 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 56001105055 in words is "fifty-six billion, one million, one hundred five thousand, fifty-five".