54424321 has 4 divisors (see below), whose sum is σ = 62199232. Its totient is φ = 46649412.

The previous prime is 54424319. The next prime is 54424339. The reversal of 54424321 is 12342445.

It is a happy number.

54424321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 54424321 - 2¹ = 54424319 is a prime.

It is a super-2 number, since 2×54424321² = 5924013432622082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54424351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3887445 + ... + 3887458.

It is an arithmetic number, because the mean of its divisors is an integer number (15549808).

Almost surely, 2^54424321 is an apocalyptic number.

It is an amenable number.

54424321 is a deficient number, since it is larger than the sum of its proper divisors (7774911).

54424321 is an equidigital number, since it uses as much as digits as its factorization.

54424321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774910.

The product of its digits is 3840, while the sum is 25.

The square root of 54424321 is about 7377.2841208672. The cubic root of 54424321 is about 378.9637533997.

Adding to 54424321 its reverse (12342445), we get a palindrome (66766766).

It can be divided in two parts, 54424 and 321, that added together give a palindrome (54745).

The spelling of 54424321 in words is "fifty-four million, four hundred twenty-four thousand, three hundred twenty-one".