255556655552 has 56 divisors (see below), whose sum is σ = 554422830192. Its totient is φ = 115909990400.

The previous prime is 255556655539. The next prime is 255556655611.

It is a happy number.

255556655552 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 7 ways as a sum of consecutive naturals, for example, 69173 + ... + 718260.

It is an arithmetic number, because the mean of its divisors is an integer number (9900407682).

Almost surely, 2^255556655552 is an apocalyptic number.

255556655552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255556655552 is an abundant number, since it is smaller than the sum of its proper divisors (298866174640).

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

255556655552 is a wasteful number, since it uses less digits than its factorization.

255556655552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787917 (or 787907 counting only the distinct ones).

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

The spelling of 255556655552 in words is "two hundred fifty-five billion, five hundred fifty-six million, six hundred fifty-five thousand, five hundred fifty-two".