54426439 has 4 divisors (see below), whose sum is σ = 54842040. Its totient is φ = 54010840.

The previous prime is 54426419. The next prime is 54426443. The reversal of 54426439 is 93462445.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93462445 = 5 ⋅18692489.

It is a cyclic number.

It is not a de Polignac number, because 54426439 - 2¹⁹ = 53902151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54426398 and 54426407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54426419) 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 in 3 ways as a sum of consecutive naturals, for example, 207604 + ... + 207865.

It is an arithmetic number, because the mean of its divisors is an integer number (13710510).

Almost surely, 2^54426439 is an apocalyptic number.

54426439 is a deficient number, since it is larger than the sum of its proper divisors (415601).

54426439 is a wasteful number, since it uses less digits than its factorization.

54426439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415600.

The product of its digits is 103680, while the sum is 37.

The square root of 54426439 is about 7377.4276682323. The cubic root of 54426439 is about 378.9686693074.

It can be divided in two parts, 5442 and 6439, that added together give a square (11881 = 109²).

The spelling of 54426439 in words is "fifty-four million, four hundred twenty-six thousand, four hundred thirty-nine".