54449221 has 8 divisors (see below), whose sum is σ = 55244160. Its totient is φ = 53658528.

The previous prime is 54449209. The next prime is 54449251. The reversal of 54449221 is 12294445.

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 54449221 - 2⁷ = 54449093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54449251) 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, 31830 + ... + 33496.

It is an arithmetic number, because the mean of its divisors is an integer number (6905520).

Almost surely, 2^54449221 is an apocalyptic number.

It is an amenable number.

54449221 is a deficient number, since it is larger than the sum of its proper divisors (794939).

54449221 is a wasteful number, since it uses less digits than its factorization.

54449221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123.

The product of its digits is 11520, while the sum is 31.

The square root of 54449221 is about 7378.9715408043. The cubic root of 54449221 is about 379.0215385870.

The spelling of 54449221 in words is "fifty-four million, four hundred forty-nine thousand, two hundred twenty-one".