55103255 has 4 divisors (see below), whose sum is σ = 66123912. Its totient is φ = 44082600.

The previous prime is 55103233. The next prime is 55103267. The reversal of 55103255 is 55230155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55230155 = 5 ⋅11046031.

It is not a de Polignac number, because 55103255 - 2¹⁰ = 55102231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5510321 + ... + 5510330.

It is an arithmetic number, because the mean of its divisors is an integer number (16530978).

Almost surely, 2^55103255 is an apocalyptic number.

55103255 is a deficient number, since it is larger than the sum of its proper divisors (11020657).

55103255 is a wasteful number, since it uses less digits than its factorization.

55103255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020656.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55103255 is about 7423.1566735453. The cubic root of 55103255 is about 380.5330814590.

The spelling of 55103255 in words is "fifty-five million, one hundred three thousand, two hundred fifty-five".