54538247 has 2 divisors, whose sum is σ = 54538248. Its totient is φ = 54538246.

The previous prime is 54538229. The next prime is 54538273. The reversal of 54538247 is 74283545.

It is a happy number.

54538247 is nontrivially palindromic in base 4.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54538247 - 2²⁰ = 53489671 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54538247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54538217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27269123 + 27269124.

It is an arithmetic number, because the mean of its divisors is an integer number (27269124).

Almost surely, 2^54538247 is an apocalyptic number.

54538247 is a deficient number, since it is larger than the sum of its proper divisors (1).

54538247 is an equidigital number, since it uses as much as digits as its factorization.

54538247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 38.

The square root of 54538247 is about 7385.0014895056. The cubic root of 54538247 is about 379.2279963804.

The spelling of 54538247 in words is "fifty-four million, five hundred thirty-eight thousand, two hundred forty-seven".