54333521 has 32 divisors (see below), whose sum is σ = 66355200. Its totient is φ = 43908480.

The previous prime is 54333491. The next prime is 54333563. The reversal of 54333521 is 12533345.

It is not a de Polignac number, because 54333521 - 2¹⁰ = 54332497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54338521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427760 + ... + 427886.

It is an arithmetic number, because the mean of its divisors is an integer number (2073600).

Almost surely, 2^54333521 is an apocalyptic number.

It is an amenable number.

54333521 is a deficient number, since it is larger than the sum of its proper divisors (12021679).

54333521 is a wasteful number, since it uses less digits than its factorization.

54333521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

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

The square root of 54333521 is about 7371.1275256910. The cubic root of 54333521 is about 378.7528852798.

Adding to 54333521 its reverse (12533345), we get a palindrome (66866866).

The spelling of 54333521 in words is "fifty-four million, three hundred thirty-three thousand, five hundred twenty-one".