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53549 is a prime number
BaseRepresentation
bin1101000100101101
32201110022
431010231
53203144
61051525
7312056
oct150455
981408
1053549
1137261
1226ba5
131b4b2
141572d
1510cee
hexd12d

53549 has 2 divisors, whose sum is σ = 53550. Its totient is φ = 53548.

The previous prime is 53527. The next prime is 53551. The reversal of 53549 is 94535.

53549 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., 28900 + 24649 = 170^2 + 157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53549 is a prime.

It is a Sophie Germain prime.

Together with 53551, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26774 + 26775.

It is an arithmetic number, because the mean of its divisors is an integer number (26775).

253549 is an apocalyptic number.

It is an amenable number.

53549 is a deficient number, since it is larger than the sum of its proper divisors (1).

53549 is an equidigital number, since it uses as much as digits as its factorization.

53549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 53549 is about 231.4065686190. The cubic root of 53549 is about 37.6921104444.

The spelling of 53549 in words is "fifty-three thousand, five hundred forty-nine".