55565433881755 has 32 divisors (see below), whose sum is σ = 77499357811200. Its totient is φ = 37454407049472.

The previous prime is 55565433881701. The next prime is 55565433881803. The reversal of 55565433881755 is 55718833456555.

55565433881755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55565433881755 - 2²⁵ = 55565400327323 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 42847959 + ... + 44125711.

It is an arithmetic number, because the mean of its divisors is an integer number (2421854931600).

Almost surely, 2^{55565433881755} is an apocalyptic number.

55565433881755 is a deficient number, since it is larger than the sum of its proper divisors (21933923929445).

55565433881755 is a wasteful number, since it uses less digits than its factorization.

55565433881755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298883.

The product of its digits is 1512000000, while the sum is 70.

The spelling of 55565433881755 in words is "fifty-five trillion, five hundred sixty-five billion, four hundred thirty-three million, eight hundred eighty-one thousand, seven hundred fifty-five".