50856418853 has 2 divisors, whose sum is σ = 50856418854. Its totient is φ = 50856418852.

The previous prime is 50856418801. The next prime is 50856418897. The reversal of 50856418853 is 35881465805.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44530284484 + 6326134369 = 211022^2 + 79537^2 .

It is a cyclic number.

It is not a de Polignac number, because 50856418853 - 2¹⁴ = 50856402469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50856418795 and 50856418804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50856414853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25428209426 + 25428209427.

It is an arithmetic number, because the mean of its divisors is an integer number (25428209427).

Almost surely, 2^50856418853 is an apocalyptic number.

It is an amenable number.

50856418853 is a deficient number, since it is larger than the sum of its proper divisors (1).

50856418853 is an equidigital number, since it uses as much as digits as its factorization.

50856418853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608000, while the sum is 53.

The spelling of 50856418853 in words is "fifty billion, eight hundred fifty-six million, four hundred eighteen thousand, eight hundred fifty-three".