50513304449 has 4 divisors (see below), whose sum is σ = 53171899440. Its totient is φ = 47854709460.

The previous prime is 50513304437. The next prime is 50513304463. The reversal of 50513304449 is 94440331505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50513304449 - 2²⁴ = 50496527233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50513304419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329297467 + ... + 1329297504.

It is an arithmetic number, because the mean of its divisors is an integer number (13292974860).

Almost surely, 2^50513304449 is an apocalyptic number.

It is an amenable number.

50513304449 is a deficient number, since it is larger than the sum of its proper divisors (2658594991).

50513304449 is a wasteful number, since it uses less digits than its factorization.

50513304449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658594990.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 50513304449 in words is "fifty billion, five hundred thirteen million, three hundred four thousand, four hundred forty-nine".