255505912 has 16 divisors (see below), whose sum is σ = 489267360. Its totient is φ = 125034624.

The previous prime is 255505909. The next prime is 255505933. The reversal of 255505912 is 219505552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339393 + ... + 340144.

It is an arithmetic number, because the mean of its divisors is an integer number (30579210).

Almost surely, 2^255505912 is an apocalyptic number.

It is an amenable number.

255505912 is a deficient number, since it is larger than the sum of its proper divisors (233761448).

255505912 is a wasteful number, since it uses less digits than its factorization.

255505912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679590 (or 679586 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 255505912 is about 15984.5522927607. The cubic root of 255505912 is about 634.5516598824.

The spelling of 255505912 in words is "two hundred fifty-five million, five hundred five thousand, nine hundred twelve".