50748557509 has 16 divisors (see below), whose sum is σ = 58614192000. Its totient is φ = 43541948736.

The previous prime is 50748557491. The next prime is 50748557513. The reversal of 50748557509 is 90575584705.

It is not a de Polignac number, because 50748557509 - 2¹¹ = 50748555461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50748557509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50748557309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925209 + ... + 1951390.

It is an arithmetic number, because the mean of its divisors is an integer number (3663387000).

Almost surely, 2^50748557509 is an apocalyptic number.

It is an amenable number.

50748557509 is a deficient number, since it is larger than the sum of its proper divisors (7865634491).

50748557509 is a wasteful number, since it uses less digits than its factorization.

50748557509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876684.

The product of its (nonzero) digits is 8820000, while the sum is 55.

The spelling of 50748557509 in words is "fifty billion, seven hundred forty-eight million, five hundred fifty-seven thousand, five hundred nine".