50555028036391 has 2 divisors, whose sum is σ = 50555028036392. Its totient is φ = 50555028036390.

The previous prime is 50555028036379. The next prime is 50555028036439. The reversal of 50555028036391 is 19363082055505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50555028036391 - 2²¹ = 50555025939239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555028036371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277514018195 + 25277514018196.

It is an arithmetic number, because the mean of its divisors is an integer number (25277514018196).

Almost surely, 2^{50555028036391} is an apocalyptic number.

50555028036391 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555028036391 is an equidigital number, since it uses as much as digits as its factorization.

50555028036391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 50555028036391 in words is "fifty trillion, five hundred fifty-five billion, twenty-eight million, thirty-six thousand, three hundred ninety-one".