54368321 has 16 divisors (see below), whose sum is σ = 63544320. Its totient is φ = 45556560.

The previous prime is 54368317. The next prime is 54368333. The reversal of 54368321 is 12386345.

It is not a de Polignac number, because 54368321 - 2² = 54368317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54368381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68690 + ... + 69476.

It is an arithmetic number, because the mean of its divisors is an integer number (3971520).

Almost surely, 2^54368321 is an apocalyptic number.

It is an amenable number.

54368321 is a deficient number, since it is larger than the sum of its proper divisors (9175999).

54368321 is a wasteful number, since it uses less digits than its factorization.

54368321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004.

The product of its digits is 17280, while the sum is 32.

The square root of 54368321 is about 7373.4877093544. The cubic root of 54368321 is about 378.8337303220.

The spelling of 54368321 in words is "fifty-four million, three hundred sixty-eight thousand, three hundred twenty-one".