54133321 has 16 divisors (see below), whose sum is σ = 62786880. Its totient is φ = 46126080.

The previous prime is 54133319. The next prime is 54133327. The reversal of 54133321 is 12333145.

It is not a de Polignac number, because 54133321 - 2¹ = 54133319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54133292 and 54133301.

It is not an unprimeable number, because it can be changed into a prime (54133327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62590 + ... + 63448.

It is an arithmetic number, because the mean of its divisors is an integer number (3924180).

Almost surely, 2^54133321 is an apocalyptic number.

It is an amenable number.

54133321 is a deficient number, since it is larger than the sum of its proper divisors (8653559).

54133321 is a wasteful number, since it uses less digits than its factorization.

54133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224.

The product of its digits is 1080, while the sum is 22.

The square root of 54133321 is about 7357.5349812284. The cubic root of 54133321 is about 378.2871221652.

Adding to 54133321 its reverse (12333145), we get a palindrome (66466466).

The spelling of 54133321 in words is "fifty-four million, one hundred thirty-three thousand, three hundred twenty-one".