50185161 has 24 divisors (see below), whose sum is σ = 78416520. Its totient is φ = 30744576.

The previous prime is 50185129. The next prime is 50185199. The reversal of 50185161 is 16158105.

It can be written as a sum of positive squares in 4 ways, for example, as 13461561 + 36723600 = 3669^2 + 6060^2 .

It is not a de Polignac number, because 50185161 - 2⁵ = 50185129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50185111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29235 + ... + 30903.

It is an arithmetic number, because the mean of its divisors is an integer number (3267355).

Almost surely, 2^50185161 is an apocalyptic number.

It is an amenable number.

50185161 is a deficient number, since it is larger than the sum of its proper divisors (28231359).

50185161 is a wasteful number, since it uses less digits than its factorization.

50185161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 50185161 is about 7084.1485726938. The cubic root of 50185161 is about 368.8573489624.

The spelling of 50185161 in words is "fifty million, one hundred eighty-five thousand, one hundred sixty-one".