52550161 has 8 divisors (see below), whose sum is σ = 53193024. Its totient is φ = 51910320.

The previous prime is 52550149. The next prime is 52550167. The reversal of 52550161 is 16105525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52550161 - 2⁷ = 52550033 is a prime.

It is a super-2 number, since 2×52550161² = 5523038842251842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52550167) 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 7 ways as a sum of consecutive naturals, for example, 70356 + ... + 71098.

It is an arithmetic number, because the mean of its divisors is an integer number (6649128).

Almost surely, 2^52550161 is an apocalyptic number.

It is an amenable number.

52550161 is a deficient number, since it is larger than the sum of its proper divisors (642863).

52550161 is a wasteful number, since it uses less digits than its factorization.

52550161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 52550161 is about 7249.1489845360. The cubic root of 52550161 is about 374.5628351557.

Adding to 52550161 its reverse (16105525), we get a palindrome (68655686).

The spelling of 52550161 in words is "fifty-two million, five hundred fifty thousand, one hundred sixty-one".