50115082021 has 2 divisors, whose sum is σ = 50115082022. Its totient is φ = 50115082020.

The previous prime is 50115081997. The next prime is 50115082057. The reversal of 50115082021 is 12028051105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29123129025 + 20991952996 = 170655^2 + 144886^2 .

It is a cyclic number.

It is not a de Polignac number, because 50115082021 - 2⁷ = 50115081893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50115088021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25057541010 + 25057541011.

It is an arithmetic number, because the mean of its divisors is an integer number (25057541011).

Almost surely, 2^50115082021 is an apocalyptic number.

It is an amenable number.

50115082021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50115082021 is an equidigital number, since it uses as much as digits as its factorization.

50115082021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 25.

The spelling of 50115082021 in words is "fifty billion, one hundred fifteen million, eighty-two thousand, twenty-one".