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53947913 is a prime number
BaseRepresentation
bin1100110111001…
…0111000001001
310202111211121212
43031302320021
5102302313123
65204142505
71223356355
oct315627011
9122454555
1053947913
11284a7958
1216097a35
13b23b356
147244465
154b09878
hex3372e09

53947913 has 2 divisors, whose sum is σ = 53947914. Its totient is φ = 53947912.

The previous prime is 53947891. The next prime is 53947981. The reversal of 53947913 is 31974935.

53947913 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., 52301824 + 1646089 = 7232^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 53947913 - 26 = 53947849 is a prime.

It is not a weakly prime, because it can be changed into another prime (53943913) 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, 26973956 + 26973957.

It is an arithmetic number, because the mean of its divisors is an integer number (26973957).

Almost surely, 253947913 is an apocalyptic number.

It is an amenable number.

53947913 is a deficient number, since it is larger than the sum of its proper divisors (1).

53947913 is an equidigital number, since it uses as much as digits as its factorization.

53947913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 41.

The square root of 53947913 is about 7344.9243018564. The cubic root of 53947913 is about 377.8547471550.

The spelling of 53947913 in words is "fifty-three million, nine hundred forty-seven thousand, nine hundred thirteen".