50527157081 has 2 divisors, whose sum is σ = 50527157082. Its totient is φ = 50527157080.

The previous prime is 50527157077. The next prime is 50527157123. The reversal of 50527157081 is 18075172505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50191681225 + 335475856 = 224035^2 + 18316^2 .

It is a cyclic number.

It is not a de Polignac number, because 50527157081 - 2² = 50527157077 is a prime.

It is a super-2 number, since 2×50527157081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50527157041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25263578540 + 25263578541.

It is an arithmetic number, because the mean of its divisors is an integer number (25263578541).

Almost surely, 2^50527157081 is an apocalyptic number.

It is an amenable number.

50527157081 is a deficient number, since it is larger than the sum of its proper divisors (1).

50527157081 is an equidigital number, since it uses as much as digits as its factorization.

50527157081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98000, while the sum is 41.

The spelling of 50527157081 in words is "fifty billion, five hundred twenty-seven million, one hundred fifty-seven thousand, eighty-one".