52252161 has 16 divisors (see below), whose sum is σ = 76152384. Its totient is φ = 31673664.

The previous prime is 52252153. The next prime is 52252183. The reversal of 52252161 is 16125225.

It is a happy number.

It is not a de Polignac number, because 52252161 - 2³ = 52252153 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (52252121) 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, 7386 + ... + 12611.

It is an arithmetic number, because the mean of its divisors is an integer number (4759524).

Almost surely, 2^52252161 is an apocalyptic number.

It is an amenable number.

52252161 is a deficient number, since it is larger than the sum of its proper divisors (23900223).

52252161 is a wasteful number, since it uses less digits than its factorization.

52252161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20080.

The product of its digits is 1200, while the sum is 24.

The square root of 52252161 is about 7228.5656253506. The cubic root of 52252161 is about 373.8534723932.

Adding to 52252161 its reverse (16125225), we get a palindrome (68377386).

The spelling of 52252161 in words is "fifty-two million, two hundred fifty-two thousand, one hundred sixty-one".