54238231 has 2 divisors, whose sum is σ = 54238232. Its totient is φ = 54238230.

The previous prime is 54238199. The next prime is 54238243. The reversal of 54238231 is 13283245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54238231 - 2⁵ = 54238199 is a prime.

It is a super-2 number, since 2×54238231² = 5883571404018722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54238231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54238031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27119115 + 27119116.

It is an arithmetic number, because the mean of its divisors is an integer number (27119116).

Almost surely, 2^54238231 is an apocalyptic number.

54238231 is a deficient number, since it is larger than the sum of its proper divisors (1).

54238231 is an equidigital number, since it uses as much as digits as its factorization.

54238231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 54238231 is about 7364.6609562152. The cubic root of 54238231 is about 378.5313370756.

The spelling of 54238231 in words is "fifty-four million, two hundred thirty-eight thousand, two hundred thirty-one".