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57355289 is a prime number
BaseRepresentation
bin1101101011001…
…0110000011001
310222220221122222
43122302300121
5104140332124
65405153425
71264340405
oct332626031
9128827588
1057355289
112a414972
121725b875
13bb62254
147890105
15507e25e
hex36b2c19

57355289 has 2 divisors, whose sum is σ = 57355290. Its totient is φ = 57355288.

The previous prime is 57355273. The next prime is 57355313. The reversal of 57355289 is 98255375.

57355289 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., 53173264 + 4182025 = 7292^2 + 2045^2 .

It is a cyclic number.

It is not a de Polignac number, because 57355289 - 24 = 57355273 is a prime.

It is not a weakly prime, because it can be changed into another prime (57351289) 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, 28677644 + 28677645.

It is an arithmetic number, because the mean of its divisors is an integer number (28677645).

Almost surely, 257355289 is an apocalyptic number.

It is an amenable number.

57355289 is a deficient number, since it is larger than the sum of its proper divisors (1).

57355289 is an equidigital number, since it uses as much as digits as its factorization.

57355289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 57355289 is about 7573.3274721221. The cubic root of 57355289 is about 385.6480657565.

The spelling of 57355289 in words is "fifty-seven million, three hundred fifty-five thousand, two hundred eighty-nine".