54424389 has 4 divisors (see below), whose sum is σ = 72565856. Its totient is φ = 36282924.

The previous prime is 54424367. The next prime is 54424397. The reversal of 54424389 is 98342445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54424389 - 2⁸ = 54424133 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 (54424319) 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, 9070729 + ... + 9070734.

It is an arithmetic number, because the mean of its divisors is an integer number (18141464).

Almost surely, 2^54424389 is an apocalyptic number.

It is an amenable number.

54424389 is a deficient number, since it is larger than the sum of its proper divisors (18141467).

54424389 is a wasteful number, since it uses less digits than its factorization.

54424389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18141466.

The product of its digits is 138240, while the sum is 39.

The square root of 54424389 is about 7377.2887296079. The cubic root of 54424389 is about 378.9639112306.

The spelling of 54424389 in words is "fifty-four million, four hundred twenty-four thousand, three hundred eighty-nine".