255755255550 has 24 divisors (see below), whose sum is σ = 634273034136. Its totient is φ = 68201401440.

The previous prime is 255755255429. The next prime is 255755255593. The reversal of 255755255550 is 55552557552.

It is a junction number, because it is equal to n+sod(n) for n = 255755255493 and 255755255502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 852517369 + ... + 852517668.

It is an arithmetic number, because the mean of its divisors is an integer number (26428043089).

Almost surely, 2^255755255550 is an apocalyptic number.

255755255550 is an abundant number, since it is smaller than the sum of its proper divisors (378517778586).

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

255755255550 is a wasteful number, since it uses less digits than its factorization.

255755255550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705035052 (or 1705035047 counting only the distinct ones).

The product of its (nonzero) digits is 10937500, while the sum is 51.

The spelling of 255755255550 in words is "two hundred fifty-five billion, seven hundred fifty-five million, two hundred fifty-five thousand, five hundred fifty".