52861121 has 4 divisors (see below), whose sum is σ = 52876032. Its totient is φ = 52846212.

The previous prime is 52861117. The next prime is 52861129. The reversal of 52861121 is 12116825.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52861121 - 2² = 52861117 is a prime.

It is a super-2 number, since 2×52861121² = 5588596226753282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52861129) 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, 1256 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (13219008).

Almost surely, 2^52861121 is an apocalyptic number.

It is an amenable number.

52861121 is a deficient number, since it is larger than the sum of its proper divisors (14911).

52861121 is an equidigital number, since it uses as much as digits as its factorization.

52861121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14910.

The product of its digits is 960, while the sum is 26.

The square root of 52861121 is about 7270.5653837924. The cubic root of 52861121 is about 375.3001945874.

Adding to 52861121 its reverse (12116825), we get a palindrome (64977946).

The spelling of 52861121 in words is "fifty-two million, eight hundred sixty-one thousand, one hundred twenty-one".