50353835381 has 2 divisors, whose sum is σ = 50353835382. Its totient is φ = 50353835380.

The previous prime is 50353835299. The next prime is 50353835387. The reversal of 50353835381 is 18353835305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49914262225 + 439573156 = 223415^2 + 20966^2 .

It is a cyclic number.

It is not a de Polignac number, because 50353835381 - 2¹⁰ = 50353834357 is a prime.

It is a super-2 number, since 2×50353835381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50353835387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25176917690 + 25176917691.

It is an arithmetic number, because the mean of its divisors is an integer number (25176917691).

Almost surely, 2^50353835381 is an apocalyptic number.

It is an amenable number.

50353835381 is a deficient number, since it is larger than the sum of its proper divisors (1).

50353835381 is an equidigital number, since it uses as much as digits as its factorization.

50353835381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 50353835381 in words is "fifty billion, three hundred fifty-three million, eight hundred thirty-five thousand, three hundred eighty-one".