255305503055 has 8 divisors (see below), whose sum is σ = 309077813232. Its totient is φ = 202436929408.

The previous prime is 255305503051. The next prime is 255305503081. The reversal of 255305503055 is 550305503552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255305503055 - 2² = 255305503051 is a prime.

It is a super-2 number, since 2×255305503055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255305503051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225933509 + ... + 225934638.

It is an arithmetic number, because the mean of its divisors is an integer number (38634726654).

Almost surely, 2^255305503055 is an apocalyptic number.

255305503055 is a deficient number, since it is larger than the sum of its proper divisors (53772310177).

255305503055 is a wasteful number, since it uses less digits than its factorization.

255305503055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451868265.

The product of its (nonzero) digits is 281250, while the sum is 38.

The spelling of 255305503055 in words is "two hundred fifty-five billion, three hundred five million, five hundred three thousand, fifty-five".