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53831 is a prime number
BaseRepresentation
bin1101001001000111
32201211202
431021013
53210311
61053115
7312641
oct151107
981752
1053831
1137498
122719b
131b66b
1415891
1510e3b
hexd247

53831 has 2 divisors, whose sum is σ = 53832. Its totient is φ = 53830.

The previous prime is 53819. The next prime is 53849. The reversal of 53831 is 13835.

53831 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 is a cyclic number.

It is not a de Polignac number, because 53831 - 210 = 52807 is a prime.

It is a super-2 number, since 2×538312 = 5795553122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26915 + 26916.

It is an arithmetic number, because the mean of its divisors is an integer number (26916).

253831 is an apocalyptic number.

53831 is a deficient number, since it is larger than the sum of its proper divisors (1).

53831 is an equidigital number, since it uses as much as digits as its factorization.

53831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 53831 is about 232.0150857164. The cubic root of 53831 is about 37.7581594280.

The spelling of 53831 in words is "fifty-three thousand, eight hundred thirty-one".