50071249 has 4 divisors (see below), whose sum is σ = 51424564. Its totient is φ = 48717936.

The previous prime is 50071247. The next prime is 50071261. The reversal of 50071249 is 94217005.

It is a happy number.

50071249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94217005 = 5 ⋅18843401.

It can be written as a sum of positive squares in 2 ways, for example, as 17581249 + 32490000 = 4193^2 + 5700^2 .

It is a cyclic number.

It is not a de Polignac number, because 50071249 - 2¹ = 50071247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50071243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676602 + ... + 676675.

It is an arithmetic number, because the mean of its divisors is an integer number (12856141).

Almost surely, 2^50071249 is an apocalyptic number.

It is an amenable number.

50071249 is a deficient number, since it is larger than the sum of its proper divisors (1353315).

50071249 is a wasteful number, since it uses less digits than its factorization.

50071249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353314.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 50071249 is about 7076.1040834629. The cubic root of 50071249 is about 368.5780558513.

The spelling of 50071249 in words is "fifty million, seventy-one thousand, two hundred forty-nine".