52162561 has 16 divisors (see below), whose sum is σ = 59486400. Its totient is φ = 45304000.

The previous prime is 52162559. The next prime is 52162577. The reversal of 52162561 is 16526125.

It is a cyclic number.

It is not a de Polignac number, because 52162561 - 2¹ = 52162559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52162541) 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, 31410 + ... + 33028.

It is an arithmetic number, because the mean of its divisors is an integer number (3717900).

Almost surely, 2^52162561 is an apocalyptic number.

It is an amenable number.

52162561 is a deficient number, since it is larger than the sum of its proper divisors (7323839).

52162561 is a wasteful number, since it uses less digits than its factorization.

52162561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760.

The product of its digits is 3600, while the sum is 28.

The square root of 52162561 is about 7222.3653327701. The cubic root of 52162561 is about 373.6396602729.

Adding to 52162561 its reverse (16526125), we get a palindrome (68688686).

It can be divided in two parts, 5216 and 2561, that added together give a palindrome (7777).

The spelling of 52162561 in words is "fifty-two million, one hundred sixty-two thousand, five hundred sixty-one".