50254535081 has 2 divisors, whose sum is σ = 50254535082. Its totient is φ = 50254535080.

The previous prime is 50254535039. The next prime is 50254535083. The reversal of 50254535081 is 18053545205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50213639056 + 40896025 = 224084^2 + 6395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50254535081 is a prime.

It is a super-2 number, since 2×50254535081² (a number of 22 digits) contains 22 as substring.

Together with 50254535083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50254535083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25127267540 + 25127267541.

It is an arithmetic number, because the mean of its divisors is an integer number (25127267541).

Almost surely, 2^50254535081 is an apocalyptic number.

It is an amenable number.

50254535081 is a deficient number, since it is larger than the sum of its proper divisors (1).

50254535081 is an equidigital number, since it uses as much as digits as its factorization.

50254535081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 50254535081 in words is "fifty billion, two hundred fifty-four million, five hundred thirty-five thousand, eighty-one".