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54709217 is a prime number
BaseRepresentation
bin1101000010110…
…0101111100001
310210221111221022
43100230233201
5103001143332
65232335225
71233010043
oct320545741
9123844838
1054709217
1128977932
12163a4515
13b446a24
1473a1a93
154c0a212
hex342cbe1

54709217 has 2 divisors, whose sum is σ = 54709218. Its totient is φ = 54709216.

The previous prime is 54709183. The next prime is 54709243. The reversal of 54709217 is 71290745.

54709217 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., 54523456 + 185761 = 7384^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 54709217 - 216 = 54643681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54709267) 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, 27354608 + 27354609.

It is an arithmetic number, because the mean of its divisors is an integer number (27354609).

Almost surely, 254709217 is an apocalyptic number.

It is an amenable number.

54709217 is a deficient number, since it is larger than the sum of its proper divisors (1).

54709217 is an equidigital number, since it uses as much as digits as its factorization.

54709217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 54709217 is about 7396.5679203263. The cubic root of 54709217 is about 379.6238591038.

The spelling of 54709217 in words is "fifty-four million, seven hundred nine thousand, two hundred seventeen".