55561100006960 has 80 divisors (see below), whose sum is σ = 135899008826400. Its totient is φ = 21094383679488.

The previous prime is 55561100006957. The next prime is 55561100006977. The reversal of 55561100006960 is 6960000116555.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202818629 + ... + 203092388.

It is an arithmetic number, because the mean of its divisors is an integer number (1698737610330).

Almost surely, 2^{55561100006960} is an apocalyptic number.

It is an amenable number.

55561100006960 is an abundant number, since it is smaller than the sum of its proper divisors (80337908819440).

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

55561100006960 is a wasteful number, since it uses less digits than its factorization.

55561100006960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405911118 (or 405911112 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 55561100006960 in words is "fifty-five trillion, five hundred sixty-one billion, one hundred million, six thousand, nine hundred sixty".