53335381 has 8 divisors (see below), whose sum is σ = 58522464. Its totient is φ = 48204720.

The previous prime is 53335369. The next prime is 53335421. The reversal of 53335381 is 18353335.

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

It is not a de Polignac number, because 53335381 - 2¹⁷ = 53204309 is a prime.

It is a super-3 number, since 3×53335381³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53335361) 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, 12111 + ... + 15916.

It is an arithmetic number, because the mean of its divisors is an integer number (7315308).

Almost surely, 2^53335381 is an apocalyptic number.

It is an amenable number.

53335381 is a deficient number, since it is larger than the sum of its proper divisors (5187083).

53335381 is a wasteful number, since it uses less digits than its factorization.

53335381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28211.

The product of its digits is 16200, while the sum is 31.

The square root of 53335381 is about 7303.1076262095. The cubic root of 53335381 is about 376.4192288110.

The spelling of 53335381 in words is "fifty-three million, three hundred thirty-five thousand, three hundred eighty-one".