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53684243 is a prime number
BaseRepresentation
bin1100110011001…
…0100000010011
310202000102221022
43030302200103
5102220343433
65154350055
71221210554
oct314624023
9122012838
1053684243
1128337848
1215b8b32b
13b178332
1471b632b
154aa6698
hex3332813

53684243 has 2 divisors, whose sum is σ = 53684244. Its totient is φ = 53684242.

The previous prime is 53684201. The next prime is 53684263. The reversal of 53684243 is 34248635.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53684243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53684263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26842121 + 26842122.

It is an arithmetic number, because the mean of its divisors is an integer number (26842122).

Almost surely, 253684243 is an apocalyptic number.

53684243 is a deficient number, since it is larger than the sum of its proper divisors (1).

53684243 is an equidigital number, since it uses as much as digits as its factorization.

53684243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 35.

The square root of 53684243 is about 7326.9531866936. The cubic root of 53684243 is about 377.2381541630.

The spelling of 53684243 in words is "fifty-three million, six hundred eighty-four thousand, two hundred forty-three".