55555550560556 has 24 divisors (see below), whose sum is σ = 97423368000000. Its totient is φ = 27720356305104.

The previous prime is 55555550560519. The next prime is 55555550560591. The reversal of 55555550560556 is 65506505555555.

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 7 ways as a sum of consecutive naturals, for example, 2581556 + ... + 10852443.

It is an arithmetic number, because the mean of its divisors is an integer number (4059307000000).

Almost surely, 2^{55555550560556} is an apocalyptic number.

It is an amenable number.

55555550560556 is a deficient number, since it is larger than the sum of its proper divisors (41867817439444).

55555550560556 is a wasteful number, since it uses less digits than its factorization.

55555550560556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13436141 (or 13436139 counting only the distinct ones).

The product of its (nonzero) digits is 351562500, while the sum is 62.

The spelling of 55555550560556 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred fifty million, five hundred sixty thousand, five hundred fifty-six".