50971135 has 4 divisors (see below), whose sum is σ = 61165368. Its totient is φ = 40776904.

The previous prime is 50971133. The next prime is 50971139. The reversal of 50971135 is 53117905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53117905 = 5 ⋅10623581.

It is a cyclic number.

It is not a de Polignac number, because 50971135 - 2¹ = 50971133 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50971097 and 50971106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50971133) 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, 5097109 + ... + 5097118.

It is an arithmetic number, because the mean of its divisors is an integer number (15291342).

Almost surely, 2^50971135 is an apocalyptic number.

50971135 is a deficient number, since it is larger than the sum of its proper divisors (10194233).

50971135 is a wasteful number, since it uses less digits than its factorization.

50971135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194232.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 50971135 is about 7139.4071882755. The cubic root of 50971135 is about 370.7730004387.

The spelling of 50971135 in words is "fifty million, nine hundred seventy-one thousand, one hundred thirty-five".