50420555012251 has 2 divisors, whose sum is σ = 50420555012252. Its totient is φ = 50420555012250.

The previous prime is 50420555012231. The next prime is 50420555012297. The reversal of 50420555012251 is 15221055502405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50420555012251 - 2⁷ = 50420555012123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50420555012251.

It is not a weakly prime, because it can be changed into another prime (50420555012231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210277506125 + 25210277506126.

It is an arithmetic number, because the mean of its divisors is an integer number (25210277506126).

Almost surely, 2^{50420555012251} is an apocalyptic number.

50420555012251 is a deficient number, since it is larger than the sum of its proper divisors (1).

50420555012251 is an equidigital number, since it uses as much as digits as its factorization.

50420555012251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 50420555012251 in words is "fifty trillion, four hundred twenty billion, five hundred fifty-five million, twelve thousand, two hundred fifty-one".