52622161 has 4 divisors (see below), whose sum is σ = 52957492. Its totient is φ = 52286832.

The previous prime is 52622149. The next prime is 52622231. The reversal of 52622161 is 16122625.

52622161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 37945600 + 14676561 = 6160^2 + 3831^2 .

It is a cyclic number.

It is not a de Polignac number, because 52622161 - 2⁷ = 52622033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52622131) 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 3 ways as a sum of consecutive naturals, for example, 167430 + ... + 167743.

It is an arithmetic number, because the mean of its divisors is an integer number (13239373).

Almost surely, 2^52622161 is an apocalyptic number.

It is an amenable number.

52622161 is a deficient number, since it is larger than the sum of its proper divisors (335331).

52622161 is a wasteful number, since it uses less digits than its factorization.

52622161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335330.

The product of its digits is 1440, while the sum is 25.

The square root of 52622161 is about 7254.1133848321. The cubic root of 52622161 is about 374.7338223692.

Adding to 52622161 its reverse (16122625), we get a palindrome (68744786).

The spelling of 52622161 in words is "fifty-two million, six hundred twenty-two thousand, one hundred sixty-one".