255555302755 has 4 divisors (see below), whose sum is σ = 306666363312. Its totient is φ = 204444242200.

The previous prime is 255555302753. The next prime is 255555302789. The reversal of 255555302755 is 557203555552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 255555302755 - 2¹ = 255555302753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255555302699 and 255555302708.

It is not an unprimeable number, because it can be changed into a prime (255555302753) 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 3 ways as a sum of consecutive naturals, for example, 25555530271 + ... + 25555530280.

It is an arithmetic number, because the mean of its divisors is an integer number (76666590828).

Almost surely, 2^255555302755 is an apocalyptic number.

255555302755 is a deficient number, since it is larger than the sum of its proper divisors (51111060557).

255555302755 is an equidigital number, since it uses as much as digits as its factorization.

255555302755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51111060556.

The product of its (nonzero) digits is 6562500, while the sum is 49.

The spelling of 255555302755 in words is "two hundred fifty-five billion, five hundred fifty-five million, three hundred two thousand, seven hundred fifty-five".