54544321 has 8 divisors (see below), whose sum is σ = 58874984. Its totient is φ = 50232960.

The previous prime is 54544267. The next prime is 54544333. The reversal of 54544321 is 12344545.

It can be written as a sum of positive squares in 4 ways, for example, as 11458225 + 43086096 = 3385^2 + 6564^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54544321 - 2¹³ = 54536129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54544321.

It is not an unprimeable number, because it can be changed into a prime (54544351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (7359373).

Almost surely, 2^54544321 is an apocalyptic number.

It is an amenable number.

54544321 is a deficient number, since it is larger than the sum of its proper divisors (4330663).

54544321 is a wasteful number, since it uses less digits than its factorization.

54544321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651.

The product of its digits is 9600, while the sum is 28.

The square root of 54544321 is about 7385.4127169712. The cubic root of 54544321 is about 379.2420742399.

Adding to 54544321 its reverse (12344545), we get a palindrome (66888866).

The spelling of 54544321 in words is "fifty-four million, five hundred forty-four thousand, three hundred twenty-one".