50742273 has 4 divisors (see below), whose sum is σ = 67656368. Its totient is φ = 33828180.

The previous prime is 50742271. The next prime is 50742283. The reversal of 50742273 is 37224705.

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.

It is not a de Polignac number, because 50742273 - 2¹ = 50742271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50742273.

It is not an unprimeable number, because it can be changed into a prime (50742271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8457043 + ... + 8457048.

It is an arithmetic number, because the mean of its divisors is an integer number (16914092).

Almost surely, 2^50742273 is an apocalyptic number.

It is an amenable number.

50742273 is a deficient number, since it is larger than the sum of its proper divisors (16914095).

50742273 is a wasteful number, since it uses less digits than its factorization.

50742273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16914094.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 50742273 is about 7123.3610746613. The cubic root of 50742273 is about 370.2172403339.

Adding to 50742273 its reverse (37224705), we get a palindrome (87966978).

It can be divided in two parts, 50742 and 273, that added together give a palindrome (51015).

The spelling of 50742273 in words is "fifty million, seven hundred forty-two thousand, two hundred seventy-three".