50358161 has 4 divisors (see below), whose sum is σ = 57552192. Its totient is φ = 43164132.

The previous prime is 50358157. The next prime is 50358169. The reversal of 50358161 is 16185305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16185305 = 5 ⋅3237061.

It is a cyclic number.

It is not a de Polignac number, because 50358161 - 2² = 50358157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50358169) 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, 3597005 + ... + 3597018.

It is an arithmetic number, because the mean of its divisors is an integer number (14388048).

Almost surely, 2^50358161 is an apocalyptic number.

It is an amenable number.

50358161 is a deficient number, since it is larger than the sum of its proper divisors (7194031).

50358161 is an equidigital number, since it uses as much as digits as its factorization.

50358161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194030.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 50358161 is about 7096.3484271842. The cubic root of 50358161 is about 369.2807087423.

The spelling of 50358161 in words is "fifty million, three hundred fifty-eight thousand, one hundred sixty-one".