50204397553 has 2 divisors, whose sum is σ = 50204397554. Its totient is φ = 50204397552.

The previous prime is 50204397521. The next prime is 50204397601. The reversal of 50204397553 is 35579340205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49866462864 + 337934689 = 223308^2 + 18383^2 .

It is a cyclic number.

It is not a de Polignac number, because 50204397553 - 2⁵ = 50204397521 is a prime.

It is not a weakly prime, because it can be changed into another prime (50204397253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25102198776 + 25102198777.

It is an arithmetic number, because the mean of its divisors is an integer number (25102198777).

Almost surely, 2^50204397553 is an apocalyptic number.

It is an amenable number.

50204397553 is a deficient number, since it is larger than the sum of its proper divisors (1).

50204397553 is an equidigital number, since it uses as much as digits as its factorization.

50204397553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 50204397553 in words is "fifty billion, two hundred four million, three hundred ninety-seven thousand, five hundred fifty-three".