54321533 has 8 divisors (see below), whose sum is σ = 62151360. Its totient is φ = 46509120.

The previous prime is 54321521. The next prime is 54321541. The reversal of 54321533 is 33512345.

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

It is not a de Polignac number, because 54321533 - 2²² = 50127229 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 (54321503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3218 + ... + 10908.

It is an arithmetic number, because the mean of its divisors is an integer number (7768920).

Almost surely, 2^54321533 is an apocalyptic number.

It is an amenable number.

54321533 is a deficient number, since it is larger than the sum of its proper divisors (7829827).

54321533 is a wasteful number, since it uses less digits than its factorization.

54321533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707.

The product of its digits is 5400, while the sum is 26.

The square root of 54321533 is about 7370.3143080875. The cubic root of 54321533 is about 378.7250275627.

Adding to 54321533 its reverse (33512345), we get a palindrome (87833878).

The spelling of 54321533 in words is "fifty-four million, three hundred twenty-one thousand, five hundred thirty-three".