54238243 has 2 divisors, whose sum is σ = 54238244. Its totient is φ = 54238242.

The previous prime is 54238231. The next prime is 54238267. The reversal of 54238243 is 34283245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54238243 - 2¹⁷ = 54107171 is a prime.

It is not a weakly prime, because it can be changed into another prime (54238043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27119121 + 27119122.

It is an arithmetic number, because the mean of its divisors is an integer number (27119122).

Almost surely, 2^54238243 is an apocalyptic number.

54238243 is a deficient number, since it is larger than the sum of its proper divisors (1).

54238243 is an equidigital number, since it uses as much as digits as its factorization.

54238243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 31.

The square root of 54238243 is about 7364.6617709166. The cubic root of 54238243 is about 378.5313649918.

The spelling of 54238243 in words is "fifty-four million, two hundred thirty-eight thousand, two hundred forty-three".