50459554213 has 2 divisors, whose sum is σ = 50459554214. Its totient is φ = 50459554212.

The previous prime is 50459554163. The next prime is 50459554217. The reversal of 50459554213 is 31245595405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48963953284 + 1495600929 = 221278^2 + 38673^2 .

It is a cyclic number.

It is not a de Polignac number, because 50459554213 - 2⁹ = 50459553701 is a prime.

It is a super-2 number, since 2×50459554213² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50459554213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50459554217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25229777106 + 25229777107.

It is an arithmetic number, because the mean of its divisors is an integer number (25229777107).

Almost surely, 2^50459554213 is an apocalyptic number.

It is an amenable number.

50459554213 is a deficient number, since it is larger than the sum of its proper divisors (1).

50459554213 is an equidigital number, since it uses as much as digits as its factorization.

50459554213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 50459554213 in words is "fifty billion, four hundred fifty-nine million, five hundred fifty-four thousand, two hundred thirteen".