28053333 has 36 divisors (see below), whose sum is σ = 51431328. Its totient is φ = 14570640.

The previous prime is 28053331. The next prime is 28053343. The reversal of 28053333 is 33335082.

It is a happy number.

28053333 is a `hidden beast` number, since 280 + 53 + 333 = 666.

It is not a de Polignac number, because 28053333 - 2¹ = 28053331 is a prime.

28053333 is a modest number, since divided by 3333 gives 2805 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28053297 and 28053306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28053331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1960 + ... + 7742.

It is an arithmetic number, because the mean of its divisors is an integer number (1428648).

Almost surely, 2^28053333 is an apocalyptic number.

It is an amenable number.

28053333 is a deficient number, since it is larger than the sum of its proper divisors (23377995).

28053333 is a wasteful number, since it uses less digits than its factorization.

28053333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814 (or 5804 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 28053333 is about 5296.5397194772. The cubic root of 28053333 is about 303.8515730010.

The spelling of 28053333 in words is "twenty-eight million, fifty-three thousand, three hundred thirty-three".