54144321 has 32 divisors (see below), whose sum is σ = 92921856. Its totient is φ = 27216000.

The previous prime is 54144317. The next prime is 54144373. The reversal of 54144321 is 12344145.

It is not a de Polignac number, because 54144321 - 2² = 54144317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54144291 and 54144300.

It is not an unprimeable number, because it can be changed into a prime (54144301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3381 + ... + 10941.

It is an arithmetic number, because the mean of its divisors is an integer number (2903808).

Almost surely, 2^54144321 is an apocalyptic number.

It is an amenable number.

54144321 is a deficient number, since it is larger than the sum of its proper divisors (38777535).

54144321 is a wasteful number, since it uses less digits than its factorization.

54144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613.

The product of its digits is 1920, while the sum is 24.

The square root of 54144321 is about 7358.2824762304. The cubic root of 54144321 is about 378.3127433319.

Adding to 54144321 its reverse (12344145), we get a palindrome (66488466).

The spelling of 54144321 in words is "fifty-four million, one hundred forty-four thousand, three hundred twenty-one".