50975978971 has 2 divisors, whose sum is σ = 50975978972. Its totient is φ = 50975978970.

The previous prime is 50975978941. The next prime is 50975978981. The reversal of 50975978971 is 17987957905.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50975978971 - 2¹¹ = 50975976923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50975978897 and 50975978906.

It is not a weakly prime, because it can be changed into another prime (50975978941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25487989485 + 25487989486.

It is an arithmetic number, because the mean of its divisors is an integer number (25487989486).

Almost surely, 2^50975978971 is an apocalyptic number.

50975978971 is a deficient number, since it is larger than the sum of its proper divisors (1).

50975978971 is an equidigital number, since it uses as much as digits as its factorization.

50975978971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50009400, while the sum is 67.

The spelling of 50975978971 in words is "fifty billion, nine hundred seventy-five million, nine hundred seventy-eight thousand, nine hundred seventy-one".