50605261387 has 2 divisors, whose sum is σ = 50605261388. Its totient is φ = 50605261386.

The previous prime is 50605261381. The next prime is 50605261439. The reversal of 50605261387 is 78316250605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50605261387 - 2¹¹ = 50605259339 is a prime.

It is not a weakly prime, because it can be changed into another prime (50605261381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302630693 + 25302630694.

It is an arithmetic number, because the mean of its divisors is an integer number (25302630694).

Almost surely, 2^50605261387 is an apocalyptic number.

50605261387 is a deficient number, since it is larger than the sum of its proper divisors (1).

50605261387 is an equidigital number, since it uses as much as digits as its factorization.

50605261387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 50605261387 in words is "fifty billion, six hundred five million, two hundred sixty-one thousand, three hundred eighty-seven".