50563415449 has 4 divisors (see below), whose sum is σ = 50564237364. Its totient is φ = 50562593536.

The previous prime is 50563415437. The next prime is 50563415459. The reversal of 50563415449 is 94451436505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20333334025 + 30230081424 = 142595^2 + 173868^2 .

It is a cyclic number.

It is not a de Polignac number, because 50563415449 - 2⁵ = 50563415417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50563415399 and 50563415408.

It is not an unprimeable number, because it can be changed into a prime (50563415459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310492 + ... + 444445.

It is an arithmetic number, because the mean of its divisors is an integer number (12641059341).

Almost surely, 2^50563415449 is an apocalyptic number.

It is an amenable number.

50563415449 is a deficient number, since it is larger than the sum of its proper divisors (821915).

50563415449 is an equidigital number, since it uses as much as digits as its factorization.

50563415449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821914.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 50563415449 in words is "fifty billion, five hundred sixty-three million, four hundred fifteen thousand, four hundred forty-nine".