255917055050 has 24 divisors (see below), whose sum is σ = 476046158700. Its totient is φ = 102358126080.

The previous prime is 255917055049. The next prime is 255917055061. The reversal of 255917055050 is 50550719552.

It can be written as a sum of positive squares in 6 ways, for example, as 103483812721 + 152433242329 = 321689^2 + 390427^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255917054992 and 255917055010.

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, 394106 + ... + 816794.

Almost surely, 2^255917055050 is an apocalyptic number.

255917055050 is a deficient number, since it is larger than the sum of its proper divisors (220129103650).

255917055050 is a wasteful number, since it uses less digits than its factorization.

255917055050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434810 (or 434805 counting only the distinct ones).

The product of its (nonzero) digits is 393750, while the sum is 44.

The spelling of 255917055050 in words is "two hundred fifty-five billion, nine hundred seventeen million, fifty-five thousand, fifty".