54954221 has 4 divisors (see below), whose sum is σ = 62804832. Its totient is φ = 47103612.

The previous prime is 54954209. The next prime is 54954247. The reversal of 54954221 is 12245945.

54954221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54954221 - 2¹⁴ = 54937837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54954281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925295 + ... + 3925308.

It is an arithmetic number, because the mean of its divisors is an integer number (15701208).

Almost surely, 2^54954221 is an apocalyptic number.

It is an amenable number.

54954221 is a deficient number, since it is larger than the sum of its proper divisors (7850611).

54954221 is an equidigital number, since it uses as much as digits as its factorization.

54954221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850610.

The product of its digits is 14400, while the sum is 32.

The square root of 54954221 is about 7413.1114250360. Note that the first 3 decimals coincide. The cubic root of 54954221 is about 380.1897044485.

The spelling of 54954221 in words is "fifty-four million, nine hundred fifty-four thousand, two hundred twenty-one".