52711121 has 4 divisors (see below), whose sum is σ = 52725744. Its totient is φ = 52696500.

The previous prime is 52711081. The next prime is 52711123. The reversal of 52711121 is 12111725.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-52711121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52711093 and 52711102.

It is not an unprimeable number, because it can be changed into a prime (52711123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366 + ... + 10536.

It is an arithmetic number, because the mean of its divisors is an integer number (13181436).

Almost surely, 2^52711121 is an apocalyptic number.

It is an amenable number.

52711121 is a deficient number, since it is larger than the sum of its proper divisors (14623).

52711121 is an equidigital number, since it uses as much as digits as its factorization.

52711121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14622.

The product of its digits is 140, while the sum is 20.

The square root of 52711121 is about 7260.2424890633. The cubic root of 52711121 is about 374.9448713033.

Adding to 52711121 its reverse (12111725), we get a palindrome (64822846).

The spelling of 52711121 in words is "fifty-two million, seven hundred eleven thousand, one hundred twenty-one".