255550028 has 12 divisors (see below), whose sum is σ = 452601240. Its totient is φ = 126235392.

The previous prime is 255550021. The next prime is 255550039. The reversal of 255550028 is 820055552.

It is a junction number, because it is equal to n+sod(n) for n = 255549976 and 255550003.

It is not an unprimeable number, because it can be changed into a prime (255550021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384533 + ... + 385196.

It is an arithmetic number, because the mean of its divisors is an integer number (37716770).

Almost surely, 2^255550028 is an apocalyptic number.

It is an amenable number.

255550028 is a deficient number, since it is larger than the sum of its proper divisors (197051212).

255550028 is a wasteful number, since it uses less digits than its factorization.

255550028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769816 (or 769814 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 255550028 is about 15985.9321905230. The cubic root of 255550028 is about 634.5881786330.

The spelling of 255550028 in words is "two hundred fifty-five million, five hundred fifty thousand, twenty-eight".