50522167021 has 2 divisors, whose sum is σ = 50522167022. Its totient is φ = 50522167020.

The previous prime is 50522166991. The next prime is 50522167027. The reversal of 50522167021 is 12076122505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40398990025 + 10123176996 = 200995^2 + 100614^2 .

It is a cyclic number.

It is not a de Polignac number, because 50522167021 - 2²¹ = 50520069869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50522167027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25261083510 + 25261083511.

It is an arithmetic number, because the mean of its divisors is an integer number (25261083511).

Almost surely, 2^50522167021 is an apocalyptic number.

It is an amenable number.

50522167021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50522167021 is an equidigital number, since it uses as much as digits as its factorization.

50522167021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 50522167021 its reverse (12076122505), we get a palindrome (62598289526).

The spelling of 50522167021 in words is "fifty billion, five hundred twenty-two million, one hundred sixty-seven thousand, twenty-one".