54550321 has 8 divisors (see below), whose sum is σ = 64028480. Its totient is φ = 45493488.

The previous prime is 54550313. The next prime is 54550337. The reversal of 54550321 is 12305545.

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 54550321 - 2³ = 54550313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54550361) 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, 105051 + ... + 105568.

It is an arithmetic number, because the mean of its divisors is an integer number (8003560).

Almost surely, 2^54550321 is an apocalyptic number.

It is an amenable number.

54550321 is a deficient number, since it is larger than the sum of its proper divisors (9478159).

54550321 is a wasteful number, since it uses less digits than its factorization.

54550321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210663.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 54550321 is about 7385.8189119420. The cubic root of 54550321 is about 379.2559795618.

Adding to 54550321 its reverse (12305545), we get a palindrome (66855866).

The spelling of 54550321 in words is "fifty-four million, five hundred fifty thousand, three hundred twenty-one".