54445423 has 4 divisors (see below), whose sum is σ = 54779608. Its totient is φ = 54111240.

The previous prime is 54445399. The next prime is 54445451. The reversal of 54445423 is 32454445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54445423 - 2⁹ = 54444911 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 (54445453) 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, 166848 + ... + 167173.

It is an arithmetic number, because the mean of its divisors is an integer number (13694902).

Almost surely, 2^54445423 is an apocalyptic number.

54445423 is a deficient number, since it is larger than the sum of its proper divisors (334185).

54445423 is a wasteful number, since it uses less digits than its factorization.

54445423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334184.

The product of its digits is 38400, while the sum is 31.

The square root of 54445423 is about 7378.7141833791. The cubic root of 54445423 is about 379.0127257442.

Adding to 54445423 its reverse (32454445), we get a palindrome (86899868).

The spelling of 54445423 in words is "fifty-four million, four hundred forty-five thousand, four hundred twenty-three".