54666321 has 8 divisors (see below), whose sum is σ = 72925920. Its totient is φ = 36425472.

The previous prime is 54666319. The next prime is 54666347. The reversal of 54666321 is 12366645.

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

It is not a de Polignac number, because 54666321 - 2¹ = 54666319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54666371) 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, 4950 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (9115740).

Almost surely, 2^54666321 is an apocalyptic number.

It is an amenable number.

54666321 is a deficient number, since it is larger than the sum of its proper divisors (18259599).

54666321 is a wasteful number, since it uses less digits than its factorization.

54666321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9375.

The product of its digits is 25920, while the sum is 33.

The square root of 54666321 is about 7393.6676284507. The cubic root of 54666321 is about 379.5246156012.

The spelling of 54666321 in words is "fifty-four million, six hundred sixty-six thousand, three hundred twenty-one".