255800782550 has 12 divisors (see below), whose sum is σ = 475789455636. Its totient is φ = 102320313000.

The previous prime is 255800782547. The next prime is 255800782591. The reversal of 255800782550 is 55287008552.

255800782550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255800782495 and 255800782504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2558007776 + ... + 2558007875.

It is an arithmetic number, because the mean of its divisors is an integer number (39649121303).

Almost surely, 2^255800782550 is an apocalyptic number.

255800782550 is a deficient number, since it is larger than the sum of its proper divisors (219988673086).

255800782550 is a wasteful number, since it uses less digits than its factorization.

255800782550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116015663 (or 5116015658 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 47.

The spelling of 255800782550 in words is "two hundred fifty-five billion, eight hundred million, seven hundred eighty-two thousand, five hundred fifty".