50557773518 has 32 divisors (see below), whose sum is σ = 90458311680. Its totient is φ = 20721064320.

The previous prime is 50557773517. The next prime is 50557773521. The reversal of 50557773518 is 81537775505.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 50557773518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50557773517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763543 + ... + 1791981.

It is an arithmetic number, because the mean of its divisors is an integer number (2826822240).

Almost surely, 2^50557773518 is an apocalyptic number.

50557773518 is a deficient number, since it is larger than the sum of its proper divisors (39900538162).

50557773518 is a wasteful number, since it uses less digits than its factorization.

50557773518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33992.

The product of its (nonzero) digits is 5145000, while the sum is 53.

The spelling of 50557773518 in words is "fifty billion, five hundred fifty-seven million, seven hundred seventy-three thousand, five hundred eighteen".