255005503 has 8 divisors (see below), whose sum is σ = 262870272. Its totient is φ = 247242456.

The previous prime is 255005501. The next prime is 255005519. The reversal of 255005503 is 305500552.

255005503 is nontrivially palindromic in base 16.

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 255005503 - 2¹ = 255005501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255005501) 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 7 ways as a sum of consecutive naturals, for example, 20325 + ... + 30382.

It is an arithmetic number, because the mean of its divisors is an integer number (32858784).

Almost surely, 2^255005503 is an apocalyptic number.

255005503 is a deficient number, since it is larger than the sum of its proper divisors (7864769).

255005503 is a wasteful number, since it uses less digits than its factorization.

255005503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50861.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 255005503 is about 15968.8917273554. The cubic root of 255005503 is about 634.1371321155.

The spelling of 255005503 in words is "two hundred fifty-five million, five thousand, five hundred three".