53333289 has 16 divisors (see below), whose sum is σ = 80097600. Its totient is φ = 35067168.

The previous prime is 53333281. The next prime is 53333311. The reversal of 53333289 is 98233335.

It is not a de Polignac number, because 53333289 - 2³ = 53333281 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53333281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11559 + ... + 15500.

It is an arithmetic number, because the mean of its divisors is an integer number (5006100).

Almost surely, 2^53333289 is an apocalyptic number.

It is an amenable number.

53333289 is a deficient number, since it is larger than the sum of its proper divisors (26764311).

53333289 is a wasteful number, since it uses less digits than its factorization.

53333289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27141 (or 27135 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 53333289 is about 7302.9643981057. The cubic root of 53333289 is about 376.4143072542.

The spelling of 53333289 in words is "fifty-three million, three hundred thirty-three thousand, two hundred eighty-nine".