56005106655 has 8 divisors (see below), whose sum is σ = 89608170672. Its totient is φ = 29869390208.

The previous prime is 56005106621. The next prime is 56005106657. The reversal of 56005106655 is 55660150065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56005106655 - 2¹¹ = 56005104607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56005106657) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1866836874 + ... + 1866836903.

It is an arithmetic number, because the mean of its divisors is an integer number (11201021334).

Almost surely, 2^56005106655 is an apocalyptic number.

56005106655 is a deficient number, since it is larger than the sum of its proper divisors (33603064017).

56005106655 is a wasteful number, since it uses less digits than its factorization.

56005106655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733673785.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 56005106655 in words is "fifty-six billion, five million, one hundred six thousand, six hundred fifty-five".