50549588779 has 2 divisors, whose sum is σ = 50549588780. Its totient is φ = 50549588778.

The previous prime is 50549588777. The next prime is 50549588809. The reversal of 50549588779 is 97788594505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50549588779 - 2¹ = 50549588777 is a prime.

Together with 50549588777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50549588773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25274794389 + 25274794390.

It is an arithmetic number, because the mean of its divisors is an integer number (25274794390).

Almost surely, 2^50549588779 is an apocalyptic number.

50549588779 is a deficient number, since it is larger than the sum of its proper divisors (1).

50549588779 is an equidigital number, since it uses as much as digits as its factorization.

50549588779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008000, while the sum is 67.

The spelling of 50549588779 in words is "fifty billion, five hundred forty-nine million, five hundred eighty-eight thousand, seven hundred seventy-nine".