50172371 has 2 divisors, whose sum is σ = 50172372. Its totient is φ = 50172370.

The previous prime is 50172341. The next prime is 50172379. The reversal of 50172371 is 17327105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50172371 - 2⁶ = 50172307 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50172371.

It is not a weakly prime, because it can be changed into another prime (50172379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25086185 + 25086186.

It is an arithmetic number, because the mean of its divisors is an integer number (25086186).

Almost surely, 2^50172371 is an apocalyptic number.

50172371 is a deficient number, since it is larger than the sum of its proper divisors (1).

50172371 is an equidigital number, since it uses as much as digits as its factorization.

50172371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 50172371 is about 7083.2457955375. The cubic root of 50172371 is about 368.8260111045.

Adding to 50172371 its reverse (17327105), we get a palindrome (67499476).

The spelling of 50172371 in words is "fifty million, one hundred seventy-two thousand, three hundred seventy-one".