Base | Representation |
---|---|
bin | 1101000000011… |
… | …0101110001111 |
3 | 10210122121022112 |
4 | 3100012232033 |
5 | 102431202422 |
6 | 5225134235 |
7 | 1231461032 |
oct | 320065617 |
9 | 123577275 |
10 | 54553487 |
11 | 2888092a |
12 | 1632a37b |
13 | b3c0b91 |
14 | 7361019 |
15 | 4bc8ee2 |
hex | 3406b8f |
54553487 has 2 divisors, whose sum is σ = 54553488. Its totient is φ = 54553486.
The previous prime is 54553463. The next prime is 54553501. The reversal of 54553487 is 78435545.
54553487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54553487 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54556487) 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, 27276743 + 27276744.
It is an arithmetic number, because the mean of its divisors is an integer number (27276744).
Almost surely, 254553487 is an apocalyptic number.
54553487 is a deficient number, since it is larger than the sum of its proper divisors (1).
54553487 is an equidigital number, since it uses as much as digits as its factorization.
54553487 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 336000, while the sum is 41.
The square root of 54553487 is about 7386.0332384846. The cubic root of 54553487 is about 379.2633165256.
The spelling of 54553487 in words is "fifty-four million, five hundred fifty-three thousand, four hundred eighty-seven".
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