52811331 has 8 divisors (see below), whose sum is σ = 70487040. Its totient is φ = 35171592.

The previous prime is 52811329. The next prime is 52811351. The reversal of 52811331 is 13311825.

52811331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52811331 - 2¹ = 52811329 is a prime.

It is a super-2 number, since 2×52811331² = 5578073363983122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52811351) 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 7 ways as a sum of consecutive naturals, for example, 5355 + ... + 11588.

It is an arithmetic number, because the mean of its divisors is an integer number (8810880).

Almost surely, 2^52811331 is an apocalyptic number.

52811331 is a deficient number, since it is larger than the sum of its proper divisors (17675709).

52811331 is a wasteful number, since it uses less digits than its factorization.

52811331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17985.

The product of its digits is 720, while the sum is 24.

The square root of 52811331 is about 7267.1404967841. The cubic root of 52811331 is about 375.1823255609.

The spelling of 52811331 in words is "fifty-two million, eight hundred eleven thousand, three hundred thirty-one".