55020520116205 has 32 divisors (see below), whose sum is σ = 75504268689408. Its totient is φ = 37704582907200.

The previous prime is 55020520116203. The next prime is 55020520116259. The reversal of 55020520116205 is 50261102502055.

It is not a de Polignac number, because 55020520116205 - 2¹ = 55020520116203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55020520116203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808247320 + ... + 808315390.

It is an arithmetic number, because the mean of its divisors is an integer number (2359508396544).

Almost surely, 2^{55020520116205} is an apocalyptic number.

It is an amenable number.

55020520116205 is a deficient number, since it is larger than the sum of its proper divisors (20483748573203).

55020520116205 is a wasteful number, since it uses less digits than its factorization.

55020520116205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82297.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 55020520116205 in words is "fifty-five trillion, twenty billion, five hundred twenty million, one hundred sixteen thousand, two hundred five".