54211121 has 8 divisors (see below), whose sum is σ = 56266920. Its totient is φ = 52167808.

The previous prime is 54211109. The next prime is 54211133. The reversal of 54211121 is 12111245.

54211121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54211109) and next prime (54211133).

It can be written as a sum of positive squares in 4 ways, for example, as 7480225 + 46730896 = 2735^2 + 6836^2 .

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 54211121 - 2¹⁴ = 54194737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54211121.

It is not an unprimeable number, because it can be changed into a prime (54211141) 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 7 ways as a sum of consecutive naturals, for example, 6245 + ... + 12141.

It is an arithmetic number, because the mean of its divisors is an integer number (7033365).

Almost surely, 2^54211121 is an apocalyptic number.

It is an amenable number.

54211121 is a deficient number, since it is larger than the sum of its proper divisors (2055799).

54211121 is a wasteful number, since it uses less digits than its factorization.

54211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243.

The product of its digits is 80, while the sum is 17.

The square root of 54211121 is about 7362.8201797952. The cubic root of 54211121 is about 378.4682592147.

Adding to 54211121 its reverse (12111245), we get a palindrome (66322366).

The spelling of 54211121 in words is "fifty-four million, two hundred eleven thousand, one hundred twenty-one".