50432161 has 4 divisors (see below), whose sum is σ = 54311572. Its totient is φ = 46552752.

The previous prime is 50432141. The next prime is 50432167. The reversal of 50432161 is 16123405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4950625 + 45481536 = 2225^2 + 6744^2 .

It is a cyclic number.

It is not a de Polignac number, because 50432161 - 2⁹ = 50431649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50432167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939686 + ... + 1939711.

It is an arithmetic number, because the mean of its divisors is an integer number (13577893).

Almost surely, 2^50432161 is an apocalyptic number.

It is an amenable number.

50432161 is a deficient number, since it is larger than the sum of its proper divisors (3879411).

50432161 is a wasteful number, since it uses less digits than its factorization.

50432161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879410.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 50432161 is about 7101.5604623209. The cubic root of 50432161 is about 369.4615029935.

Adding to 50432161 its reverse (16123405), we get a palindrome (66555566).

The spelling of 50432161 in words is "fifty million, four hundred thirty-two thousand, one hundred sixty-one".