255505828 has 24 divisors (see below), whose sum is σ = 462702240. Its totient is φ = 123372480.

The previous prime is 255505823. The next prime is 255505841. The reversal of 255505828 is 828505552.

It is a happy number.

255505828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (255505823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6963 + ... + 23653.

It is an arithmetic number, because the mean of its divisors is an integer number (19279260).

Almost surely, 2^255505828 is an apocalyptic number.

It is an amenable number.

255505828 is a deficient number, since it is larger than the sum of its proper divisors (207196412).

255505828 is a wasteful number, since it uses less digits than its factorization.

255505828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16827 (or 16825 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 255505828 is about 15984.5496652236. The cubic root of 255505828 is about 634.5515903441.

The spelling of 255505828 in words is "two hundred fifty-five million, five hundred five thousand, eight hundred twenty-eight".