55588556205 has 64 divisors (see below), whose sum is σ = 121629688320. Its totient is φ = 23457143808.

The previous prime is 55588556201. The next prime is 55588556213. The reversal of 55588556205 is 50265588555.

55588556205 is a `hidden beast` number, since 5 + 5 + 5 + 8 + 8 + 5 + 5 + 620 + 5 = 666.

It is not a de Polignac number, because 55588556205 - 2² = 55588556201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55588556201) 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 63 ways as a sum of consecutive naturals, for example, 2250172 + ... + 2274741.

It is an arithmetic number, because the mean of its divisors is an integer number (1900463880).

Almost surely, 2^55588556205 is an apocalyptic number.

It is an amenable number.

55588556205 is an abundant number, since it is smaller than the sum of its proper divisors (66041132115).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55588556205 is a wasteful number, since it uses less digits than its factorization.

55588556205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524947 (or 4524941 counting only the distinct ones).

The product of its (nonzero) digits is 12000000, while the sum is 54.

The spelling of 55588556205 in words is "fifty-five billion, five hundred eighty-eight million, five hundred fifty-six thousand, two hundred five".