54133331 has 16 divisors (see below), whose sum is σ = 64905216. Its totient is φ = 44175456.

The previous prime is 54133327. The next prime is 54133357. The reversal of 54133331 is 13333145.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54133331 - 2² = 54133327 is a prime.

It is a super-2 number, since 2×54133331² = 5860835050311122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54133297 and 54133306.

It is not an unprimeable number, because it can be changed into a prime (54133231) 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 15 ways as a sum of consecutive naturals, for example, 9950 + ... + 14396.

It is an arithmetic number, because the mean of its divisors is an integer number (4056576).

Almost surely, 2^54133331 is an apocalyptic number.

54133331 is a deficient number, since it is larger than the sum of its proper divisors (10771885).

54133331 is a wasteful number, since it uses less digits than its factorization.

54133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538.

The product of its digits is 1620, while the sum is 23.

The square root of 54133331 is about 7357.5356608038. The cubic root of 54133331 is about 378.2871454587.

Adding to 54133331 its reverse (13333145), we get a palindrome (67466476).

The spelling of 54133331 in words is "fifty-four million, one hundred thirty-three thousand, three hundred thirty-one".