55550055555556 has 12 divisors (see below), whose sum is σ = 97831785740668. Its totient is φ = 27598116772512.

The previous prime is 55550055555541. The next prime is 55550055555593. The reversal of 55550055555556 is 65555555005555.

It can be written as a sum of positive squares in 2 ways, for example, as 36728254227456 + 18821801328100 = 6060384^2 + 4338410^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55550055555494 and 55550055555503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44227750611 + ... + 44227751866.

Almost surely, 2^{55550055555556} is an apocalyptic number.

It is an amenable number.

55550055555556 is a deficient number, since it is larger than the sum of its proper divisors (42281730185112).

55550055555556 is a wasteful number, since it uses less digits than its factorization.

55550055555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88455502638 (or 88455502636 counting only the distinct ones).

The product of its (nonzero) digits is 292968750, while the sum is 61.

The spelling of 55550055555556 in words is "fifty-five trillion, five hundred fifty billion, fifty-five million, five hundred fifty-five thousand, five hundred fifty-six".