Base | Representation |
---|---|
bin | 1101010001001… |
… | …1101011001011 |
3 | 10212201120110120 |
4 | 3110103223023 |
5 | 103221430430 |
6 | 5304514323 |
7 | 1244026545 |
oct | 324235313 |
9 | 125646416 |
10 | 55655115 |
11 | 2946356a |
12 | 1677b9a3 |
13 | b6b8429 |
14 | 756a695 |
15 | 4d45610 |
hex | 3513acb |
55655115 has 16 divisors (see below), whose sum is σ = 91120128. Its totient is φ = 28992096.
The previous prime is 55655111. The next prime is 55655129. The reversal of 55655115 is 51155655.
It is not a de Polignac number, because 55655115 - 22 = 55655111 is a prime.
It is not an unprimeable number, because it can be changed into a prime (55655111) 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, 42499 + ... + 43788.
It is an arithmetic number, because the mean of its divisors is an integer number (5695008).
Almost surely, 255655115 is an apocalyptic number.
55655115 is a deficient number, since it is larger than the sum of its proper divisors (35465013).
55655115 is a wasteful number, since it uses less digits than its factorization.
55655115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86338.
The product of its digits is 18750, while the sum is 33.
The square root of 55655115 is about 7460.2355860924. The cubic root of 55655115 is about 381.7992123899.
The spelling of 55655115 in words is "fifty-five million, six hundred fifty-five thousand, one hundred fifteen".
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