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53786839 is a prime number
BaseRepresentation
bin1100110100101…
…1100011010111
310202012122200011
43031023203113
5102232134324
65200501051
71222115641
oct315134327
9122178604
1053786839
11283a7937
121601a787
13b1b2c42
147201891
154ac6c94
hex334b8d7

53786839 has 2 divisors, whose sum is σ = 53786840. Its totient is φ = 53786838.

The previous prime is 53786809. The next prime is 53786881. The reversal of 53786839 is 93868735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53786839 - 219 = 53262551 is a prime.

It is a super-2 number, since 2×537868392 = 5786048099223842, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53786792 and 53786801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53786809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26893419 + 26893420.

It is an arithmetic number, because the mean of its divisors is an integer number (26893420).

Almost surely, 253786839 is an apocalyptic number.

53786839 is a deficient number, since it is larger than the sum of its proper divisors (1).

53786839 is an equidigital number, since it uses as much as digits as its factorization.

53786839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 53786839 is about 7333.9511179173. The cubic root of 53786839 is about 377.4783146177.

The spelling of 53786839 in words is "fifty-three million, seven hundred eighty-six thousand, eight hundred thirty-nine".