54421213 has 24 divisors (see below), whose sum is σ = 71311104. Its totient is φ = 41025600.

The previous prime is 54421201. The next prime is 54421217. The reversal of 54421213 is 31212445.

It is not a de Polignac number, because 54421213 - 2⁵ = 54421181 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 (54421217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15081 + ... + 18337.

It is an arithmetic number, because the mean of its divisors is an integer number (2971296).

Almost surely, 2^54421213 is an apocalyptic number.

It is an amenable number.

54421213 is a deficient number, since it is larger than the sum of its proper divisors (16889891).

54421213 is a wasteful number, since it uses less digits than its factorization.

54421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313 (or 3306 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 54421213 is about 7377.0734712351. The cubic root of 54421213 is about 378.9565394572.

Adding to 54421213 its reverse (31212445), we get a palindrome (85633658).

The spelling of 54421213 in words is "fifty-four million, four hundred twenty-one thousand, two hundred thirteen".