55200255 has 16 divisors (see below), whose sum is σ = 96349824. Its totient is φ = 26763680.

The previous prime is 55200239. The next prime is 55200269.

55200255 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55200255 - 2⁴ = 55200239 is a prime.

It is a congruent number.

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, 167109 + ... + 167438.

It is an arithmetic number, because the mean of its divisors is an integer number (6021864).

Almost surely, 2^55200255 is an apocalyptic number.

55200255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55200255 is a deficient number, since it is larger than the sum of its proper divisors (41149569).

55200255 is a wasteful number, since it uses less digits than its factorization.

55200255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334566.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 55200255 is about 7429.6874093060. The cubic root of 55200255 is about 380.7562387003.

It can be divided in two parts, 55200 and 255, that added together give a palindrome (55455).

The spelling of 55200255 in words is "fifty-five million, two hundred thousand, two hundred fifty-five".