255255505 has 8 divisors (see below), whose sum is σ = 306401472. Its totient is φ = 204141168.

The previous prime is 255255503. The next prime is 255255521. The reversal of 255255505 is 505552552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255255505 - 2¹ = 255255503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255255503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16972 + ... + 28258.

It is an arithmetic number, because the mean of its divisors is an integer number (38300184).

Almost surely, 2^255255505 is an apocalyptic number.

It is an amenable number.

255255505 is a deficient number, since it is larger than the sum of its proper divisors (51145967).

255255505 is a wasteful number, since it uses less digits than its factorization.

255255505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815.

The product of its (nonzero) digits is 62500, while the sum is 34.

The square root of 255255505 is about 15976.7175915455. The cubic root of 255255505 is about 634.3442959732.

The spelling of 255255505 in words is "two hundred fifty-five million, two hundred fifty-five thousand, five hundred five".