255550005305 has 16 divisors (see below), whose sum is σ = 350481980160. Its totient is φ = 175227588672.

The previous prime is 255550005253. The next prime is 255550005317. The reversal of 255550005305 is 503500055552.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255550005305 is a prime.

It is a super-2 number, since 2×255550005305² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897251 + ... + 1147239.

It is an arithmetic number, because the mean of its divisors is an integer number (21905123760).

Almost surely, 2^255550005305 is an apocalyptic number.

It is an amenable number.

255550005305 is a deficient number, since it is larger than the sum of its proper divisors (94931974855).

255550005305 is a wasteful number, since it uses less digits than its factorization.

255550005305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279208.

The product of its (nonzero) digits is 93750, while the sum is 35.

The spelling of 255550005305 in words is "two hundred fifty-five billion, five hundred fifty million, five thousand, three hundred five".