50816971 has 2 divisors, whose sum is σ = 50816972. Its totient is φ = 50816970.

The previous prime is 50816951. The next prime is 50816977. The reversal of 50816971 is 17961805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50816971 - 2⁵ = 50816939 is a prime.

It is a super-2 number, since 2×50816971² = 5164729083229682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50816971.

It is not a weakly prime, because it can be changed into another prime (50816977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25408485 + 25408486.

It is an arithmetic number, because the mean of its divisors is an integer number (25408486).

Almost surely, 2^50816971 is an apocalyptic number.

50816971 is a deficient number, since it is larger than the sum of its proper divisors (1).

50816971 is an equidigital number, since it uses as much as digits as its factorization.

50816971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 50816971 is about 7128.6023174252. The cubic root of 50816971 is about 370.3988175919.

It can be divided in two parts, 508 and 16971, that multiplied together give a palindrome (8621268).

The spelling of 50816971 in words is "fifty million, eight hundred sixteen thousand, nine hundred seventy-one".