Base | Representation |
---|---|
bin | 1101000111101… |
… | …1010100001111 |
3 | 10211112212102020 |
4 | 3101323110033 |
5 | 103041443210 |
6 | 5243301223 |
7 | 1235520252 |
oct | 321732417 |
9 | 124485366 |
10 | 55031055 |
11 | 29077712 |
12 | 1651a813 |
13 | b52a371 |
14 | 7447099 |
15 | 4c70770 |
hex | 347b50f |
55031055 has 16 divisors (see below), whose sum is σ = 88510560. Its totient is φ = 29196288.
The previous prime is 55031047. The next prime is 55031069. The reversal of 55031055 is 55013055.
It is not a de Polignac number, because 55031055 - 23 = 55031047 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6610 + ... + 12399.
It is an arithmetic number, because the mean of its divisors is an integer number (5531910).
Almost surely, 255031055 is an apocalyptic number.
55031055 is a deficient number, since it is larger than the sum of its proper divisors (33479505).
55031055 is a wasteful number, since it uses less digits than its factorization.
55031055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19210.
The product of its (nonzero) digits is 1875, while the sum is 24.
The square root of 55031055 is about 7418.2919193033. The cubic root of 55031055 is about 380.3668087838.
The spelling of 55031055 in words is "fifty-five million, thirty-one thousand, fifty-five".
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