53335389 has 8 divisors (see below), whose sum is σ = 73036000. Its totient is φ = 34595856.

The previous prime is 53335369. The next prime is 53335421. The reversal of 53335389 is 98353335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53335389 - 2¹² = 53331293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53335309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240139 + ... + 240360.

It is an arithmetic number, because the mean of its divisors is an integer number (9129500).

Almost surely, 2^53335389 is an apocalyptic number.

It is an amenable number.

53335389 is a deficient number, since it is larger than the sum of its proper divisors (19700611).

53335389 is a wasteful number, since it uses less digits than its factorization.

53335389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480539.

The product of its digits is 145800, while the sum is 39.

The square root of 53335389 is about 7303.1081739216. The cubic root of 53335389 is about 376.4192476313.

The spelling of 53335389 in words is "fifty-three million, three hundred thirty-five thousand, three hundred eighty-nine".