55000255 has 8 divisors (see below), whose sum is σ = 66150000. Its totient is φ = 43900416.

The previous prime is 55000243. The next prime is 55000259. The reversal of 55000255 is 55200055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55000255 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000259) 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, 10005 + ... + 14494.

It is an arithmetic number, because the mean of its divisors is an integer number (8268750).

Almost surely, 2^55000255 is an apocalyptic number.

55000255 is a deficient number, since it is larger than the sum of its proper divisors (11149745).

55000255 is a wasteful number, since it uses less digits than its factorization.

55000255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24953.

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 55000255 is about 7416.2156791722. The cubic root of 55000255 is about 380.2958338042.

It can be divided in two parts, 55000 and 255, that added together give a palindrome (55255).

The spelling of 55000255 in words is "fifty-five million, two hundred fifty-five", and thus it is an aban number.