52831121 has 16 divisors (see below), whose sum is σ = 64437120. Its totient is φ = 42282240.

The previous prime is 52831073. The next prime is 52831151. The reversal of 52831121 is 12113825.

It is a happy number.

It is not a de Polignac number, because 52831121 - 2¹⁰ = 52830097 is a prime.

It is a super-2 number, since 2×52831121² = 5582254692233282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52831151) 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 15 ways as a sum of consecutive naturals, for example, 13895 + ... + 17283.

It is an arithmetic number, because the mean of its divisors is an integer number (4027320).

Almost surely, 2^52831121 is an apocalyptic number.

It is an amenable number.

52831121 is a deficient number, since it is larger than the sum of its proper divisors (11605999).

52831121 is a wasteful number, since it uses less digits than its factorization.

52831121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544.

The product of its digits is 480, while the sum is 23.

The square root of 52831121 is about 7268.5019777118. The cubic root of 52831121 is about 375.2291837561.

Adding to 52831121 its reverse (12113825), we get a palindrome (64944946).

The spelling of 52831121 in words is "fifty-two million, eight hundred thirty-one thousand, one hundred twenty-one".