50886981953 has 2 divisors, whose sum is σ = 50886981954. Its totient is φ = 50886981952.

The previous prime is 50886981949. The next prime is 50886981973. The reversal of 50886981953 is 35918968805.

50886981953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46161381904 + 4725600049 = 214852^2 + 68743^2 .

It is a cyclic number.

It is not a de Polignac number, because 50886981953 - 2² = 50886981949 is a prime.

It is not a weakly prime, because it can be changed into another prime (50886981913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25443490976 + 25443490977.

It is an arithmetic number, because the mean of its divisors is an integer number (25443490977).

Almost surely, 2^50886981953 is an apocalyptic number.

It is an amenable number.

50886981953 is a deficient number, since it is larger than the sum of its proper divisors (1).

50886981953 is an equidigital number, since it uses as much as digits as its factorization.

50886981953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 62.

The spelling of 50886981953 in words is "fifty billion, eight hundred eighty-six million, nine hundred eighty-one thousand, nine hundred fifty-three".