52003161 has 48 divisors (see below), whose sum is σ = 93571200. Its totient is φ = 28407456.

The previous prime is 52003157. The next prime is 52003163. The reversal of 52003161 is 16130025.

It is not a de Polignac number, because 52003161 - 2² = 52003157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52003163) 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 47 ways as a sum of consecutive naturals, for example, 29575 + ... + 31283.

It is an arithmetic number, because the mean of its divisors is an integer number (1949400).

Almost surely, 2^52003161 is an apocalyptic number.

It is an amenable number.

52003161 is a deficient number, since it is larger than the sum of its proper divisors (41568039).

52003161 is a wasteful number, since it uses less digits than its factorization.

52003161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 52003161 is about 7211.3217235123. The cubic root of 52003161 is about 373.2586786488.

Adding to 52003161 its reverse (16130025), we get a palindrome (68133186).

The spelling of 52003161 in words is "fifty-two million, three thousand, one hundred sixty-one".