55550305505255 has 16 divisors (see below), whose sum is σ = 72726259234464. Its totient is φ = 40396967018880.

The previous prime is 55550305505221. The next prime is 55550305505281. The reversal of 55550305505255 is 55250550305555.

55550305505255 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 55550305505255 - 2²⁰ = 55550304456679 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 40000664 + ... + 41366093.

It is an arithmetic number, because the mean of its divisors is an integer number (4545391202154).

Almost surely, 2^{55550305505255} is an apocalyptic number.

55550305505255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55550305505255 is a deficient number, since it is larger than the sum of its proper divisors (17175953729209).

55550305505255 is a wasteful number, since it uses less digits than its factorization.

55550305505255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81379186.

The product of its (nonzero) digits is 11718750, while the sum is 50.

The spelling of 55550305505255 in words is "fifty-five trillion, five hundred fifty billion, three hundred five million, five hundred five thousand, two hundred fifty-five".