55505050005568 has 28 divisors (see below), whose sum is σ = 116621823819132. Its totient is φ = 26120023531520.

The previous prime is 55505050005527. The next prime is 55505050005667. The reversal of 55505050005568 is 86550005050555.

It can be written as a sum of positive squares in 2 ways, for example, as 25464215179264 + 30040834826304 = 5046208^2 + 5480952^2 .

It is a super-2 number, since 2×55505050005568² (a number of 28 digits) contains 22 as substring.

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, 25507834393 + ... + 25507836568.

Almost surely, 2^{55505050005568} is an apocalyptic number.

It is an amenable number.

55505050005568 is an abundant number, since it is smaller than the sum of its proper divisors (61116773813564).

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

55505050005568 is a wasteful number, since it uses less digits than its factorization.

55505050005568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51015670990 (or 51015670980 counting only the distinct ones).

The product of its (nonzero) digits is 3750000, while the sum is 49.

The spelling of 55505050005568 in words is "fifty-five trillion, five hundred five billion, fifty million, five thousand, five hundred sixty-eight".