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53585549 is a prime number
BaseRepresentation
bin1100110001101…
…0011010001101
310201211102112222
43030122122031
5102204214144
65152305125
71220320043
oct314323215
9121742488
1053585549
112827a686
1215b421a5
13b142434
14718c393
154a872ee
hex331a68d

53585549 has 2 divisors, whose sum is σ = 53585550. Its totient is φ = 53585548.

The previous prime is 53585531. The next prime is 53585551. The reversal of 53585549 is 94558535.

53585549 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., 45995524 + 7590025 = 6782^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 53585549 - 212 = 53581453 is a prime.

It is a super-2 number, since 2×535855492 = 5742822123262802, which contains 22 as substring.

Together with 53585551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53585249) 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, 26792774 + 26792775.

It is an arithmetic number, because the mean of its divisors is an integer number (26792775).

Almost surely, 253585549 is an apocalyptic number.

It is an amenable number.

53585549 is a deficient number, since it is larger than the sum of its proper divisors (1).

53585549 is an equidigital number, since it uses as much as digits as its factorization.

53585549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540000, while the sum is 44.

The square root of 53585549 is about 7320.2150924683. The cubic root of 53585549 is about 377.0068387336.

The spelling of 53585549 in words is "fifty-three million, five hundred eighty-five thousand, five hundred forty-nine".