50022510521 has 2 divisors, whose sum is σ = 50022510522. Its totient is φ = 50022510520.

The previous prime is 50022510511. The next prime is 50022510589. The reversal of 50022510521 is 12501522005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41834975296 + 8187535225 = 204536^2 + 90485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50022510521 is a prime.

It is not a weakly prime, because it can be changed into another prime (50022510511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25011255260 + 25011255261.

It is an arithmetic number, because the mean of its divisors is an integer number (25011255261).

Almost surely, 2^50022510521 is an apocalyptic number.

It is an amenable number.

50022510521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50022510521 is an equidigital number, since it uses as much as digits as its factorization.

50022510521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 50022510521 in words is "fifty billion, twenty-two million, five hundred ten thousand, five hundred twenty-one".