255505005049 has 32 divisors (see below), whose sum is σ = 316163667456. Its totient is φ = 201718978560.

The previous prime is 255505004999. The next prime is 255505005059. The reversal of 255505005049 is 940500505552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 255505005049 - 2⁷ = 255505004921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255505005059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356739 + ... + 798919.

It is an arithmetic number, because the mean of its divisors is an integer number (9880114608).

Almost surely, 2^255505005049 is an apocalyptic number.

It is an amenable number.

255505005049 is a deficient number, since it is larger than the sum of its proper divisors (60658662407).

255505005049 is a wasteful number, since it uses less digits than its factorization.

255505005049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442345.

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 255505005049 in words is "two hundred fifty-five billion, five hundred five million, five thousand, forty-nine".