54544439 has 4 divisors (see below), whose sum is σ = 54569424. Its totient is φ = 54519456.

The previous prime is 54544417. The next prime is 54544463. The reversal of 54544439 is 93444545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93444545 = 5 ⋅18688909.

It is a cyclic number.

It is not a de Polignac number, because 54544439 - 2⁸ = 54544183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54544409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8867 + ... + 13700.

It is an arithmetic number, because the mean of its divisors is an integer number (13642356).

Almost surely, 2^54544439 is an apocalyptic number.

54544439 is a deficient number, since it is larger than the sum of its proper divisors (24985).

54544439 is a wasteful number, since it uses less digits than its factorization.

54544439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24984.

The product of its digits is 172800, while the sum is 38.

The square root of 54544439 is about 7385.4207056877. The cubic root of 54544439 is about 379.2423477211.

The spelling of 54544439 in words is "fifty-four million, five hundred forty-four thousand, four hundred thirty-nine".