54221133 has 8 divisors (see below), whose sum is σ = 72330496. Its totient is φ = 36129600.

The previous prime is 54221107. The next prime is 54221149. The reversal of 54221133 is 33112245.

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

It is not a de Polignac number, because 54221133 - 2¹⁴ = 54204749 is a prime.

It is the 7364-th Hogben number.

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 (54221183) by changing a digit.

It is a nontrivial repunit in base 7363.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6468 + ... + 12258.

It is an arithmetic number, because the mean of its divisors is an integer number (9041312).

Almost surely, 2^54221133 is an apocalyptic number.

It is an amenable number.

54221133 is a deficient number, since it is larger than the sum of its proper divisors (18109363).

54221133 is a wasteful number, since it uses less digits than its factorization.

54221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915.

The product of its digits is 720, while the sum is 21.

The square root of 54221133 is about 7363.5000509269. The cubic root of 54221133 is about 378.4915569618.

Adding to 54221133 its reverse (33112245), we get a palindrome (87333378).

It can be divided in two parts, 5422 and 1133, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 54221133 in words is "fifty-four million, two hundred twenty-one thousand, one hundred thirty-three".