50587478505 has 32 divisors (see below), whose sum is σ = 89942745600. Its totient is φ = 26977153536.

The previous prime is 50587478483. The next prime is 50587478533.

50587478505 is a `hidden beast` number, since 5 + 0 + 587 + 4 + 7 + 8 + 50 + 5 = 666.

50587478505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 50587478505 - 2¹⁰ = 50587477481 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2161456 + ... + 2184734.

It is an arithmetic number, because the mean of its divisors is an integer number (2810710800).

Almost surely, 2^50587478505 is an apocalyptic number.

It is an amenable number.

50587478505 is a deficient number, since it is larger than the sum of its proper divisors (39355267095).

50587478505 is a wasteful number, since it uses less digits than its factorization.

50587478505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39390 (or 39384 counting only the distinct ones).

The product of its (nonzero) digits is 7840000, while the sum is 54.

The spelling of 50587478505 in words is "fifty billion, five hundred eighty-seven million, four hundred seventy-eight thousand, five hundred five".