55605550550560 has 24 divisors (see below), whose sum is σ = 131368113176076. Its totient is φ = 22242220220160.

The previous prime is 55605550550533. The next prime is 55605550550647. The reversal of 55605550550560 is 6505505550655.

It can be written as a sum of positive squares in 2 ways, for example, as 51240342631696 + 4365207918864 = 7158236^2 + 2089308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55605550550498 and 55605550550507.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 173767345311 + ... + 173767345630.

Almost surely, 2^{55605550550560} is an apocalyptic number.

It is an amenable number.

55605550550560 is an abundant number, since it is smaller than the sum of its proper divisors (75762562625516).

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

55605550550560 is a wasteful number, since it uses less digits than its factorization.

55605550550560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347534690956 (or 347534690948 counting only the distinct ones).

The product of its (nonzero) digits is 14062500, while the sum is 52.

The spelling of 55605550550560 in words is "fifty-five trillion, six hundred five billion, five hundred fifty million, five hundred fifty thousand, five hundred sixty".