50138773 has 4 divisors (see below), whose sum is σ = 50702220. Its totient is φ = 49575328.

The previous prime is 50138717. The next prime is 50138789. The reversal of 50138773 is 37783105.

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 5489649 + 44649124 = 2343^2 + 6682^2 .

It is a cyclic number.

It is not a de Polignac number, because 50138773 - 2¹³ = 50130581 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 (50138173) 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, 281590 + ... + 281767.

It is an arithmetic number, because the mean of its divisors is an integer number (12675555).

Almost surely, 2^50138773 is an apocalyptic number.

It is an amenable number.

50138773 is a deficient number, since it is larger than the sum of its proper divisors (563447).

50138773 is an equidigital number, since it uses as much as digits as its factorization.

50138773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563446.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 50138773 is about 7080.8737455204. The cubic root of 50138773 is about 368.7436644320.

The spelling of 50138773 in words is "fifty million, one hundred thirty-eight thousand, seven hundred seventy-three".