52823161 has 4 divisors (see below), whose sum is σ = 54250852. Its totient is φ = 51395472.

The previous prime is 52823153. The next prime is 52823167. The reversal of 52823161 is 16132825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28419561 + 24403600 = 5331^2 + 4940^2 .

It is a cyclic number.

It is not a de Polignac number, because 52823161 - 2³ = 52823153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52823167) 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, 713790 + ... + 713863.

It is an arithmetic number, because the mean of its divisors is an integer number (13562713).

Almost surely, 2^52823161 is an apocalyptic number.

It is an amenable number.

52823161 is a deficient number, since it is larger than the sum of its proper divisors (1427691).

52823161 is a wasteful number, since it uses less digits than its factorization.

52823161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427690.

The product of its digits is 2880, while the sum is 28.

The square root of 52823161 is about 7267.9543889598. The cubic root of 52823161 is about 375.2103377031.

Adding to 52823161 its reverse (16132825), we get a palindrome (68955986).

The spelling of 52823161 in words is "fifty-two million, eight hundred twenty-three thousand, one hundred sixty-one".