54112439 has 2 divisors, whose sum is σ = 54112440. Its totient is φ = 54112438.

The previous prime is 54112433. The next prime is 54112477. The reversal of 54112439 is 93421145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54112439 - 2¹⁶ = 54046903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54112433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27056219 + 27056220.

It is an arithmetic number, because the mean of its divisors is an integer number (27056220).

Almost surely, 2^54112439 is an apocalyptic number.

54112439 is a deficient number, since it is larger than the sum of its proper divisors (1).

54112439 is an equidigital number, since it uses as much as digits as its factorization.

54112439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 54112439 is about 7356.1157549348. The cubic root of 54112439 is about 378.2384743238.

It can be divided in two parts, 54 and 112439, that multiplied together give a palindrome (6071706).

The spelling of 54112439 in words is "fifty-four million, one hundred twelve thousand, four hundred thirty-nine".