54439339 has 2 divisors, whose sum is σ = 54439340. Its totient is φ = 54439338.

The previous prime is 54439337. The next prime is 54439369. The reversal of 54439339 is 93393445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54439339 - 2¹ = 54439337 is a prime.

Together with 54439337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54439337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27219669 + 27219670.

It is an arithmetic number, because the mean of its divisors is an integer number (27219670).

Almost surely, 2^54439339 is an apocalyptic number.

54439339 is a deficient number, since it is larger than the sum of its proper divisors (1).

54439339 is an equidigital number, since it uses as much as digits as its factorization.

54439339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 40.

The square root of 54439339 is about 7378.3019049101. The cubic root of 54439339 is about 378.9986076348.

It can be divided in two parts, 5 and 4439339, that added together give a palindrome (4439344).

The spelling of 54439339 in words is "fifty-four million, four hundred thirty-nine thousand, three hundred thirty-nine".