6553558553556 has 48 divisors (see below), whose sum is σ = 17514397287296. Its totient is φ = 1868348035584.

The previous prime is 6553558553539. The next prime is 6553558553681.

6553558553556 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, 85321081 + ... + 85397856.

Almost surely, 2^{6553558553556} is an apocalyptic number.

It is an amenable number.

6553558553556 is an abundant number, since it is smaller than the sum of its proper divisors (10960838733740).

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

6553558553556 is a wasteful number, since it uses less digits than its factorization.

6553558553556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170719408 (or 170719406 counting only the distinct ones).

The product of its digits is 1012500000, while the sum is 66.

The spelling of 6553558553556 in words is "six trillion, five hundred fifty-three billion, five hundred fifty-eight million, five hundred fifty-three thousand, five hundred fifty-six".