50536213697 has 2 divisors, whose sum is σ = 50536213698. Its totient is φ = 50536213696.

The previous prime is 50536213691. The next prime is 50536213787. The reversal of 50536213697 is 79631263505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34183942321 + 16352271376 = 184889^2 + 127876^2 .

It is a cyclic number.

It is not a de Polignac number, because 50536213697 - 2¹⁸ = 50535951553 is a prime.

It is not a weakly prime, because it can be changed into another prime (50536213691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25268106848 + 25268106849.

It is an arithmetic number, because the mean of its divisors is an integer number (25268106849).

Almost surely, 2^50536213697 is an apocalyptic number.

It is an amenable number.

50536213697 is a deficient number, since it is larger than the sum of its proper divisors (1).

50536213697 is an equidigital number, since it uses as much as digits as its factorization.

50536213697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 50536213697 in words is "fifty billion, five hundred thirty-six million, two hundred thirteen thousand, six hundred ninety-seven".