Base | Representation |
---|---|
bin | 1100101001100… |
… | …0111100011001 |
3 | 10200211111010112 |
4 | 3022120330121 |
5 | 102040232012 |
6 | 5133054105 |
7 | 1212651023 |
oct | 312307431 |
9 | 120744115 |
10 | 53055257 |
11 | 27a48222 |
12 | 15927335 |
13 | acb7c58 |
14 | 7091013 |
15 | 49d0122 |
hex | 3298f19 |
53055257 has 2 divisors, whose sum is σ = 53055258. Its totient is φ = 53055256.
The previous prime is 53055221. The next prime is 53055269. The reversal of 53055257 is 75255035.
53055257 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 can be written as a sum of positive squares in only one way, i.e., 46185616 + 6869641 = 6796^2 + 2621^2 .
It is a cyclic number.
It is not a de Polignac number, because 53055257 - 28 = 53055001 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (53055157) 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, 26527628 + 26527629.
It is an arithmetic number, because the mean of its divisors is an integer number (26527629).
Almost surely, 253055257 is an apocalyptic number.
It is an amenable number.
53055257 is a deficient number, since it is larger than the sum of its proper divisors (1).
53055257 is an equidigital number, since it uses as much as digits as its factorization.
53055257 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 26250, while the sum is 32.
The square root of 53055257 is about 7283.9039669672. The cubic root of 53055257 is about 375.7590716424.
The spelling of 53055257 in words is "fifty-three million, fifty-five thousand, two hundred fifty-seven".
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