50587278505 has 16 divisors (see below), whose sum is σ = 64685016720. Its totient is φ = 37846628352.

The previous prime is 50587278499. The next prime is 50587278527.

50587278505 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 1921594896 + 48665683609 = 43836^2 + 220603^2 .

It is not a de Polignac number, because 50587278505 - 2⁷ = 50587278377 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1882020 + ... + 1908709.

It is an arithmetic number, because the mean of its divisors is an integer number (4042813545).

Almost surely, 2^50587278505 is an apocalyptic number.

It is an amenable number.

50587278505 is a deficient number, since it is larger than the sum of its proper divisors (14097738215).

50587278505 is a wasteful number, since it uses less digits than its factorization.

50587278505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790908.

The product of its (nonzero) digits is 3920000, while the sum is 52.

The spelling of 50587278505 in words is "fifty billion, five hundred eighty-seven million, two hundred seventy-eight thousand, five hundred five".