55655866855655 has 8 divisors (see below), whose sum is σ = 72858589338384. Its totient is φ = 40476994076800.

The previous prime is 55655866855639. The next prime is 55655866855663.

55655866855655 is nontrivially palindromic in base 10.

55655866855655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55655866855655 - 2⁴ = 55655866855639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55655866855655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505962425906 + ... + 505962426015.

It is an arithmetic number, because the mean of its divisors is an integer number (9107323667298).

Almost surely, 2^{55655866855655} is an apocalyptic number.

55655866855655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55655866855655 is a deficient number, since it is larger than the sum of its proper divisors (17202722482729).

55655866855655 is a wasteful number, since it uses less digits than its factorization.

55655866855655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011924851937.

The product of its digits is 32400000000, while the sum is 80.

The spelling of 55655866855655 in words is "fifty-five trillion, six hundred fifty-five billion, eight hundred sixty-six million, eight hundred fifty-five thousand, six hundred fifty-five".