53111329 has 4 divisors (see below), whose sum is σ = 53127360. Its totient is φ = 53095300.

The previous prime is 53111323. The next prime is 53111351. The reversal of 53111329 is 92311135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53111329 - 2¹⁵ = 53078561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53111323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997 + ... + 10354.

It is an arithmetic number, because the mean of its divisors is an integer number (13281840).

Almost surely, 2^53111329 is an apocalyptic number.

It is an amenable number.

53111329 is a deficient number, since it is larger than the sum of its proper divisors (16031).

53111329 is a wasteful number, since it uses less digits than its factorization.

53111329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16030.

The product of its digits is 810, while the sum is 25.

The square root of 53111329 is about 7287.7519853519. The cubic root of 53111329 is about 375.8913999964.

The spelling of 53111329 in words is "fifty-three million, one hundred eleven thousand, three hundred twenty-nine".