Base | Representation |
---|---|
bin | 1101001000011… |
… | …0000101011101 |
3 | 10211122002220221 |
4 | 3102012011131 |
5 | 103044401130 |
6 | 5244241341 |
7 | 1236062665 |
oct | 322060535 |
9 | 124562827 |
10 | 55075165 |
11 | 290a7872 |
12 | 16540251 |
13 | b544472 |
14 | 74591a5 |
15 | 4c7d87a |
hex | 348615d |
55075165 has 4 divisors (see below), whose sum is σ = 66090204. Its totient is φ = 44060128.
The previous prime is 55075123. The next prime is 55075171. The reversal of 55075165 is 56157055.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 42536484 + 12538681 = 6522^2 + 3541^2 .
It is a cyclic number.
It is not a de Polignac number, because 55075165 - 27 = 55075037 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 55075165.
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, 5507512 + ... + 5507521.
It is an arithmetic number, because the mean of its divisors is an integer number (16522551).
Almost surely, 255075165 is an apocalyptic number.
It is an amenable number.
55075165 is a deficient number, since it is larger than the sum of its proper divisors (11015039).
55075165 is a wasteful number, since it uses less digits than its factorization.
55075165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11015038.
The product of its (nonzero) digits is 26250, while the sum is 34.
The square root of 55075165 is about 7421.2643801444. The cubic root of 55075165 is about 380.4684089872.
The spelling of 55075165 in words is "fifty-five million, seventy-five thousand, one hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •