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50173 = 131383

50173 has 4 divisors (see below), whose sum is σ = 50688. Its totient is φ = 49660.

The previous prime is 50159. The next prime is 50177. The reversal of 50173 is 37105.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50173 - 213 = 41981 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 (50177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61 + ... + 322.

It is an arithmetic number, because the mean of its divisors is an integer number (12672).

250173 is an apocalyptic number.

It is an amenable number.

50173 is a deficient number, since it is larger than the sum of its proper divisors (515).

50173 is a wasteful number, since it uses less digits than its factorization.

50173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 50173 is about 223.9933034713. The cubic root of 50173 is about 36.8827552395.

Adding to 50173 its reverse (37105), we get a palindrome (87278).

It can be divided in two parts, 5017 and 3, that multiplied together give a palindrome (15051).

The spelling of 50173 in words is "fifty thousand, one hundred seventy-three".

Divisors: 1 131 383 50173