55600055568 has 60 divisors (see below), whose sum is σ = 164756054268. Its totient is φ = 17443153920.

The previous prime is 55600055561. The next prime is 55600055569. The reversal of 55600055568 is 86555000655.

It can be written as a sum of positive squares in 2 ways, for example, as 28450243584 + 27149811984 = 168672^2 + 164772^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55600055561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11353773 + ... + 11358668.

Almost surely, 2^55600055568 is an apocalyptic number.

It is an amenable number.

55600055568 is an abundant number, since it is smaller than the sum of its proper divisors (109155998700).

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

55600055568 is a wasteful number, since it uses less digits than its factorization.

55600055568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22712472 (or 22712463 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 55600055568 in words is "fifty-five billion, six hundred million, fifty-five thousand, five hundred sixty-eight".