50328181 has 4 divisors (see below), whose sum is σ = 50583852. Its totient is φ = 50072512.

The previous prime is 50328151. The next prime is 50328193. The reversal of 50328181 is 18182305.

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 47141956 + 3186225 = 6866^2 + 1785^2 .

It is a cyclic number.

It is not a de Polignac number, because 50328181 - 2¹³ = 50319989 is a prime.

It is a super-2 number, since 2×50328181² = 5065851605537522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50328151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127540 + ... + 127933.

It is an arithmetic number, because the mean of its divisors is an integer number (12645963).

Almost surely, 2^50328181 is an apocalyptic number.

It is an amenable number.

50328181 is a deficient number, since it is larger than the sum of its proper divisors (255671).

50328181 is a wasteful number, since it uses less digits than its factorization.

50328181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255670.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 50328181 is about 7094.2357586987. The cubic root of 50328181 is about 369.2074122255.

The spelling of 50328181 in words is "fifty million, three hundred twenty-eight thousand, one hundred eighty-one".