50422553521 has 2 divisors, whose sum is σ = 50422553522. Its totient is φ = 50422553520.

The previous prime is 50422553513. The next prime is 50422553527. The reversal of 50422553521 is 12535522405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28178322496 + 22244231025 = 167864^2 + 149145^2 .

It is a cyclic number.

It is not a de Polignac number, because 50422553521 - 2³ = 50422553513 is a prime.

It is not a weakly prime, because it can be changed into another prime (50422553527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25211276760 + 25211276761.

It is an arithmetic number, because the mean of its divisors is an integer number (25211276761).

Almost surely, 2^50422553521 is an apocalyptic number.

It is an amenable number.

50422553521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50422553521 is an equidigital number, since it uses as much as digits as its factorization.

50422553521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 50422553521 in words is "fifty billion, four hundred twenty-two million, five hundred fifty-three thousand, five hundred twenty-one".