255555153 has 12 divisors (see below), whose sum is σ = 421868928. Its totient is φ = 146031480.

The previous prime is 255555143. The next prime is 255555161. The reversal of 255555153 is 351555552.

255555153 is a `hidden beast` number, since 2 + 5 + 55 + 551 + 53 = 666.

It is not a de Polignac number, because 255555153 - 2¹² = 255551057 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255555143) 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 11 ways as a sum of consecutive naturals, for example, 2028153 + ... + 2028278.

It is an arithmetic number, because the mean of its divisors is an integer number (35155744).

Almost surely, 2^255555153 is an apocalyptic number.

It is an amenable number.

255555153 is a deficient number, since it is larger than the sum of its proper divisors (166313775).

255555153 is a wasteful number, since it uses less digits than its factorization.

255555153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056444 (or 4056441 counting only the distinct ones).

The product of its digits is 93750, while the sum is 36.

The square root of 255555153 is about 15986.0924869087. The cubic root of 255555153 is about 634.5924207804.

The spelling of 255555153 in words is "two hundred fifty-five million, five hundred fifty-five thousand, one hundred fifty-three".