Base | Representation |
---|---|
bin | 1100111000000… |
… | …0111100000001 |
3 | 10202121202121220 |
4 | 3032000330001 |
5 | 102311134010 |
6 | 5205305253 |
7 | 1224016311 |
oct | 316007401 |
9 | 122552556 |
10 | 54005505 |
11 | 28537154 |
12 | 16105229 |
13 | b25b628 |
14 | 725b441 |
15 | 4b1b970 |
hex | 3380f01 |
54005505 has 16 divisors (see below), whose sum is σ = 90957120. Its totient is φ = 27286848.
The previous prime is 54005489. The next prime is 54005507. The reversal of 54005505 is 50550045.
It is not a de Polignac number, because 54005505 - 24 = 54005489 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (54005507) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94462 + ... + 95031.
It is an arithmetic number, because the mean of its divisors is an integer number (5684820).
Almost surely, 254005505 is an apocalyptic number.
It is an amenable number.
54005505 is a deficient number, since it is larger than the sum of its proper divisors (36951615).
54005505 is a wasteful number, since it uses less digits than its factorization.
54005505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189520.
The product of its (nonzero) digits is 2500, while the sum is 24.
The square root of 54005505 is about 7348.8437866102. The cubic root of 54005505 is about 377.9891587272.
The spelling of 54005505 in words is "fifty-four million, five thousand, five hundred five".
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