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53545913 is a prime number
BaseRepresentation
bin1100110001000…
…0101110111001
310201202102011222
43030100232321
5102201432123
65151401425
71220063351
oct314205671
9121672158
1053545913
1128252923
1215b23275
13b12a395
14717bb61
154a7a6c8
hex3310bb9

53545913 has 2 divisors, whose sum is σ = 53545914. Its totient is φ = 53545912.

The previous prime is 53545907. The next prime is 53545951. The reversal of 53545913 is 31954535.

53545913 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., 53392249 + 153664 = 7307^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 53545913 - 210 = 53544889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53545013) 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, 26772956 + 26772957.

It is an arithmetic number, because the mean of its divisors is an integer number (26772957).

Almost surely, 253545913 is an apocalyptic number.

It is an amenable number.

53545913 is a deficient number, since it is larger than the sum of its proper divisors (1).

53545913 is an equidigital number, since it uses as much as digits as its factorization.

53545913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 35.

The square root of 53545913 is about 7317.5072941542. The cubic root of 53545913 is about 376.9138613719.

The spelling of 53545913 in words is "fifty-three million, five hundred forty-five thousand, nine hundred thirteen".