255506028 has 24 divisors (see below), whose sum is σ = 601653360. Its totient is φ = 84386880.

The previous prime is 255506021. The next prime is 255506029. The reversal of 255506028 is 820605552.

It is a self number, because there is not a number n which added to its sum of digits gives 255506028.

It is not an unprimeable number, because it can be changed into a prime (255506021) 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, 96363 + ... + 98978.

It is an arithmetic number, because the mean of its divisors is an integer number (25068890).

Almost surely, 2^255506028 is an apocalyptic number.

It is an amenable number.

255506028 is an abundant number, since it is smaller than the sum of its proper divisors (346147332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255506028 is a wasteful number, since it uses less digits than its factorization.

255506028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195457 (or 195455 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 255506028 is about 15984.5559212635. Note that the first 3 decimals coincide. The cubic root of 255506028 is about 634.5517559115.

The spelling of 255506028 in words is "two hundred fifty-five million, five hundred six thousand, twenty-eight".