30053289 has 16 divisors (see below), whose sum is σ = 45879680. Its totient is φ = 17141760.

The previous prime is 30053281. The next prime is 30053293. The reversal of 30053289 is 98235003.

It is a happy number.

It is not a de Polignac number, because 30053289 - 2³ = 30053281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30053281) 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 15 ways as a sum of consecutive naturals, for example, 15219 + ... + 17079.

It is an arithmetic number, because the mean of its divisors is an integer number (2867480).

Almost surely, 2^30053289 is an apocalyptic number.

It is an amenable number.

30053289 is a deficient number, since it is larger than the sum of its proper divisors (15826391).

30053289 is a wasteful number, since it uses less digits than its factorization.

30053289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 30053289 is about 5482.0880146163. The cubic root of 30053289 is about 310.9071210053.

The spelling of 30053289 in words is "thirty million, fifty-three thousand, two hundred eighty-nine".