50501259049 has 12 divisors (see below), whose sum is σ = 53777957500. Its totient is φ = 47414274048.

The previous prime is 50501259013. The next prime is 50501259077. The reversal of 50501259049 is 94095210505.

It can be written as a sum of positive squares in 6 ways, for example, as 16559829225 + 33941429824 = 128685^2 + 184232^2 .

It is not a de Polignac number, because 50501259049 - 2⁹ = 50501258537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50501259079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95424 + ... + 331825.

Almost surely, 2^50501259049 is an apocalyptic number.

It is an amenable number.

50501259049 is a deficient number, since it is larger than the sum of its proper divisors (3276698451).

50501259049 is a wasteful number, since it uses less digits than its factorization.

50501259049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427692 (or 427675 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 50501259049 in words is "fifty billion, five hundred one million, two hundred fifty-nine thousand, forty-nine".