50171247 has 36 divisors (see below), whose sum is σ = 87230520. Its totient is φ = 27673632.

The previous prime is 50171243. The next prime is 50171279. The reversal of 50171247 is 74217105.

It is not a de Polignac number, because 50171247 - 2² = 50171243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50171247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50171243) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10828 + ... + 14750.

It is an arithmetic number, because the mean of its divisors is an integer number (2423070).

Almost surely, 2^50171247 is an apocalyptic number.

50171247 is a deficient number, since it is larger than the sum of its proper divisors (37059273).

50171247 is a wasteful number, since it uses less digits than its factorization.

50171247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972 (or 3962 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 50171247 is about 7083.1664529361. The cubic root of 50171247 is about 368.8232568427.

The spelling of 50171247 in words is "fifty million, one hundred seventy-one thousand, two hundred forty-seven".