255565002 has 32 divisors (see below), whose sum is σ = 637254144. Its totient is φ = 66380400.

The previous prime is 255564989. The next prime is 255565007. The reversal of 255565002 is 200565552.

255565002 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 (255565007) 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 15 ways as a sum of consecutive naturals, for example, 276124 + ... + 277047.

It is an arithmetic number, because the mean of its divisors is an integer number (19914192).

Almost surely, 2^255565002 is an apocalyptic number.

255565002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255565002 is an abundant number, since it is smaller than the sum of its proper divisors (381689142).

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

255565002 is a wasteful number, since it uses less digits than its factorization.

255565002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553194.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 255565002 is about 15986.4005329530. The cubic root of 255565002 is about 634.6005729939.

The spelling of 255565002 in words is "two hundred fifty-five million, five hundred sixty-five thousand, two".