255005055 has 24 divisors (see below), whose sum is σ = 444337920. Its totient is φ = 135286080.

The previous prime is 255005053. The next prime is 255005057. The reversal of 255005055 is 550500552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255005053) and next prime (255005057).

It is not a de Polignac number, because 255005055 - 2¹ = 255005053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255005053) 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 23 ways as a sum of consecutive naturals, for example, 6240 + ... + 23429.

It is an arithmetic number, because the mean of its divisors is an integer number (18514080).

Almost surely, 2^255005055 is an apocalyptic number.

255005055 is a deficient number, since it is larger than the sum of its proper divisors (189332865).

255005055 is a wasteful number, since it uses less digits than its factorization.

255005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29871 (or 29868 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 255005055 is about 15968.8777000765. The cubic root of 255005055 is about 634.1367607594.

The spelling of 255005055 in words is "two hundred fifty-five million, five thousand, fifty-five".