50503784545 has 16 divisors (see below), whose sum is σ = 61479839952. Its totient is φ = 39820308480.

The previous prime is 50503784503. The next prime is 50503784549. The reversal of 50503784545 is 54548730505.

It can be written as a sum of positive squares in 8 ways, for example, as 505035729 + 49998748816 = 22473^2 + 223604^2 .

It is not a de Polignac number, because 50503784545 - 2⁹ = 50503784033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50503784495 and 50503784504.

It is not an unprimeable number, because it can be changed into a prime (50503784549) 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, 453969 + ... + 554161.

It is an arithmetic number, because the mean of its divisors is an integer number (3842489997).

Almost surely, 2^50503784545 is an apocalyptic number.

It is an amenable number.

50503784545 is a deficient number, since it is larger than the sum of its proper divisors (10976055407).

50503784545 is a wasteful number, since it uses less digits than its factorization.

50503784545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101652.

The product of its (nonzero) digits is 1680000, while the sum is 46.

The spelling of 50503784545 in words is "fifty billion, five hundred three million, seven hundred eighty-four thousand, five hundred forty-five".