50218642153 has 2 divisors, whose sum is σ = 50218642154. Its totient is φ = 50218642152.

The previous prime is 50218642121. The next prime is 50218642207. The reversal of 50218642153 is 35124681205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36759625984 + 13459016169 = 191728^2 + 116013^2 .

It is a cyclic number.

It is not a de Polignac number, because 50218642153 - 2⁵ = 50218642121 is a prime.

It is not a weakly prime, because it can be changed into another prime (50218642853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25109321076 + 25109321077.

It is an arithmetic number, because the mean of its divisors is an integer number (25109321077).

Almost surely, 2^50218642153 is an apocalyptic number.

It is an amenable number.

50218642153 is a deficient number, since it is larger than the sum of its proper divisors (1).

50218642153 is an equidigital number, since it uses as much as digits as its factorization.

50218642153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 50218642153 in words is "fifty billion, two hundred eighteen million, six hundred forty-two thousand, one hundred fifty-three".