Base | Representation |
---|---|
bin | 1101001010110… |
… | …0101011100111 |
3 | 10211221010210010 |
4 | 3102230223213 |
5 | 103114431010 |
6 | 5251501303 |
7 | 1240321620 |
oct | 322545347 |
9 | 124833703 |
10 | 55233255 |
11 | 291a5620 |
12 | 165b7833 |
13 | b59b3cc |
14 | 749aa47 |
15 | 4cb0620 |
hex | 34acae7 |
55233255 has 128 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 20643840.
The previous prime is 55233253. The next prime is 55233271.
55233255 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 55233255 - 21 = 55233253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55233251) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 569367 + ... + 569463.
It is an arithmetic number, because the mean of its divisors is an integer number (952560).
Almost surely, 255233255 is an apocalyptic number.
55233255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
55233255 is an abundant number, since it is smaller than the sum of its proper divisors (66694425).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55233255 is a wasteful number, since it uses less digits than its factorization.
55233255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169.
The product of its digits is 22500, while the sum is 30.
The square root of 55233255 is about 7431.9078977070. The cubic root of 55233255 is about 380.8320985723.
It can be divided in two parts, 5523 and 3255, that added together give a palindrome (8778).
The spelling of 55233255 in words is "fifty-five million, two hundred thirty-three thousand, two hundred fifty-five".
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