50546722397 has 2 divisors, whose sum is σ = 50546722398. Its totient is φ = 50546722396.

The previous prime is 50546722393. The next prime is 50546722427. The reversal of 50546722397 is 79322764505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48414961156 + 2131761241 = 220034^2 + 46171^2 .

It is a cyclic number.

It is not a de Polignac number, because 50546722397 - 2² = 50546722393 is a prime.

It is a super-2 number, since 2×50546722397² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50546722393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25273361198 + 25273361199.

It is an arithmetic number, because the mean of its divisors is an integer number (25273361199).

Almost surely, 2^50546722397 is an apocalyptic number.

It is an amenable number.

50546722397 is a deficient number, since it is larger than the sum of its proper divisors (1).

50546722397 is an equidigital number, since it uses as much as digits as its factorization.

50546722397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 50546722397 in words is "fifty billion, five hundred forty-six million, seven hundred twenty-two thousand, three hundred ninety-seven".