54568221 has 8 divisors (see below), whose sum is σ = 73950624. Its totient is φ = 35782320.

The previous prime is 54568207. The next prime is 54568243. The reversal of 54568221 is 12286545.

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

It is not a de Polignac number, because 54568221 - 2⁷ = 54568093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54568201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148911 + ... + 149276.

It is an arithmetic number, because the mean of its divisors is an integer number (9243828).

Almost surely, 2^54568221 is an apocalyptic number.

It is an amenable number.

54568221 is a deficient number, since it is larger than the sum of its proper divisors (19382403).

54568221 is a wasteful number, since it uses less digits than its factorization.

54568221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298251.

The product of its digits is 19200, while the sum is 33.

The square root of 54568221 is about 7387.0305942239. The cubic root of 54568221 is about 379.2974577144.

The spelling of 54568221 in words is "fifty-four million, five hundred sixty-eight thousand, two hundred twenty-one".