50550564637 has 2 divisors, whose sum is σ = 50550564638. Its totient is φ = 50550564636.

The previous prime is 50550564607. The next prime is 50550564677. The reversal of 50550564637 is 73646505505.

50550564637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42559277401 + 7991287236 = 206299^2 + 89394^2 .

It is a cyclic number.

It is not a de Polignac number, because 50550564637 - 2¹¹ = 50550562589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50550564607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275282318 + 25275282319.

It is an arithmetic number, because the mean of its divisors is an integer number (25275282319).

Almost surely, 2^50550564637 is an apocalyptic number.

It is an amenable number.

50550564637 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550564637 is an equidigital number, since it uses as much as digits as its factorization.

50550564637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890000, while the sum is 46.

The spelling of 50550564637 in words is "fifty billion, five hundred fifty million, five hundred sixty-four thousand, six hundred thirty-seven".