Base | Representation |
---|---|
bin | 1101001001001… |
… | …0101001101101 |
3 | 10211201201112022 |
4 | 3102102221231 |
5 | 103103023022 |
6 | 5245315525 |
7 | 1236366026 |
oct | 322225155 |
9 | 124651468 |
10 | 55126637 |
11 | 29132505 |
12 | 16565ba5 |
13 | b561a17 |
14 | 746dc4d |
15 | 4c8dc42 |
hex | 3492a6d |
55126637 has 2 divisors, whose sum is σ = 55126638. Its totient is φ = 55126636.
The previous prime is 55126613. The next prime is 55126667. The reversal of 55126637 is 73662155.
55126637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 46635241 + 8491396 = 6829^2 + 2914^2 .
It is a cyclic number.
It is not a de Polignac number, because 55126637 - 218 = 54864493 is a prime.
It is a super-2 number, since 2×551266372 = 6077892213859538, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 55126597 and 55126606.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (55126667) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27563318 + 27563319.
It is an arithmetic number, because the mean of its divisors is an integer number (27563319).
Almost surely, 255126637 is an apocalyptic number.
It is an amenable number.
55126637 is a deficient number, since it is larger than the sum of its proper divisors (1).
55126637 is an equidigital number, since it uses as much as digits as its factorization.
55126637 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 37800, while the sum is 35.
The square root of 55126637 is about 7424.7314429547. The cubic root of 55126637 is about 380.5868977977.
The spelling of 55126637 in words is "fifty-five million, one hundred twenty-six thousand, six hundred thirty-seven".
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