655552255556 has 36 divisors (see below), whose sum is σ = 1290315368496. Its totient is φ = 291048560880.

The previous prime is 655552255537. The next prime is 655552255559.

It is a happy number.

655552255556 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (56) 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 (655552255559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15728570 + ... + 15770193.

Almost surely, 2^655552255556 is an apocalyptic number.

It is an amenable number.

655552255556 is a deficient number, since it is larger than the sum of its proper divisors (634763112940).

655552255556 is a wasteful number, since it uses less digits than its factorization.

655552255556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31498832 (or 31498819 counting only the distinct ones).

The product of its digits is 56250000, while the sum is 56.

The spelling of 655552255556 in words is "six hundred fifty-five billion, five hundred fifty-two million, two hundred fifty-five thousand, five hundred fifty-six".