6555840485556 has 48 divisors (see below), whose sum is σ = 15814435011200. Its totient is φ = 2112137596800.

The previous prime is 6555840485543. The next prime is 6555840485567.

6555840485556 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48825031 + ... + 48959118.

Almost surely, 2^{6555840485556} is an apocalyptic number.

It is an amenable number.

6555840485556 is an abundant number, since it is smaller than the sum of its proper divisors (9258594525644).

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

6555840485556 is a wasteful number, since it uses less digits than its factorization.

6555840485556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97784344 (or 97784342 counting only the distinct ones).

The product of its (nonzero) digits is 576000000, while the sum is 66.

The spelling of 6555840485556 in words is "six trillion, five hundred fifty-five billion, eight hundred forty million, four hundred eighty-five thousand, five hundred fifty-six".