50509141 has 4 divisors (see below), whose sum is σ = 50523532. Its totient is φ = 50494752.

The previous prime is 50509139. The next prime is 50509169. The reversal of 50509141 is 14190505.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 48094225 + 2414916 = 6935^2 + 1554^2 .

It is a cyclic number.

It is not a de Polignac number, because 50509141 - 2¹ = 50509139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50509241) 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, 1915 + ... + 10231.

It is an arithmetic number, because the mean of its divisors is an integer number (12630883).

Almost surely, 2^50509141 is an apocalyptic number.

It is an amenable number.

50509141 is a deficient number, since it is larger than the sum of its proper divisors (14391).

50509141 is an equidigital number, since it uses as much as digits as its factorization.

50509141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14390.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 50509141 is about 7106.9783311897. The cubic root of 50509141 is about 369.6493902945.

Adding to 50509141 its reverse (14190505), we get a palindrome (64699646).

The spelling of 50509141 in words is "fifty million, five hundred nine thousand, one hundred forty-one".