Search a number
-
+
54287 is a prime number
BaseRepresentation
bin1101010000001111
32202110122
431100033
53214122
61055155
7314162
oct152017
982418
1054287
1137872
12274bb
131b92c
1415ad9
1511142
hexd40f

54287 has 2 divisors, whose sum is σ = 54288. Its totient is φ = 54286.

The previous prime is 54277. The next prime is 54293. The reversal of 54287 is 78245.

54287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54287 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 54287.

It is not a weakly prime, because it can be changed into another prime (54217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27143 + 27144.

It is an arithmetic number, because the mean of its divisors is an integer number (27144).

254287 is an apocalyptic number.

54287 is a deficient number, since it is larger than the sum of its proper divisors (1).

54287 is an equidigital number, since it uses as much as digits as its factorization.

54287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 26.

The square root of 54287 is about 232.9957081150. The cubic root of 54287 is about 37.8644756855.

The spelling of 54287 in words is "fifty-four thousand, two hundred eighty-seven".