Base | Representation |
---|---|
bin | 1101010010101… |
… | …1111000101111 |
3 | 10212220121111121 |
4 | 3110223320233 |
5 | 103233114122 |
6 | 5311001411 |
7 | 1244621641 |
oct | 324537057 |
9 | 125817447 |
10 | 55754287 |
11 | 29521026 |
12 | 16809267 |
13 | b721604 |
14 | 7594891 |
15 | 4d64bc7 |
hex | 352be2f |
55754287 has 2 divisors, whose sum is σ = 55754288. Its totient is φ = 55754286.
The previous prime is 55754249. The next prime is 55754297. The reversal of 55754287 is 78245755.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-55754287 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (55754207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27877143 + 27877144.
It is an arithmetic number, because the mean of its divisors is an integer number (27877144).
Almost surely, 255754287 is an apocalyptic number.
55754287 is a deficient number, since it is larger than the sum of its proper divisors (1).
55754287 is an equidigital number, since it uses as much as digits as its factorization.
55754287 is an evil number, because the sum of its binary digits is even.
The product of its digits is 392000, while the sum is 43.
The square root of 55754287 is about 7466.8793347690. The cubic root of 55754287 is about 382.0258541751.
The spelling of 55754287 in words is "fifty-five million, seven hundred fifty-four thousand, two hundred eighty-seven".
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