52004161 has 8 divisors (see below), whose sum is σ = 56788704. Its totient is φ = 47229120.

The previous prime is 52004153. The next prime is 52004171. The reversal of 52004161 is 16140025.

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 52004161 - 2³ = 52004153 is a prime.

It is a super-2 number, since 2×52004161² = 5408865522627842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52004101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14041 + ... + 17353.

It is an arithmetic number, because the mean of its divisors is an integer number (7098588).

Almost surely, 2^52004161 is an apocalyptic number.

It is an amenable number.

52004161 is a deficient number, since it is larger than the sum of its proper divisors (4784543).

52004161 is a wasteful number, since it uses less digits than its factorization.

52004161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 52004161 is about 7211.3910585961. The cubic root of 52004161 is about 373.2610711719.

Adding to 52004161 its reverse (16140025), we get a palindrome (68144186).

The spelling of 52004161 in words is "fifty-two million, four thousand, one hundred sixty-one".