50561312471667 has 12 divisors (see below), whose sum is σ = 74123051783560. Its totient is φ = 33204444010848.

The previous prime is 50561312471647. The next prime is 50561312471717. The reversal of 50561312471667 is 76617421316505.

50561312471667 is a `hidden beast` number, since 5 + 0 + 5 + 613 + 1 + 2 + 4 + 7 + 16 + 6 + 7 = 666.

It is not a de Polignac number, because 50561312471667 - 2¹⁸ = 50561312209523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50561312471647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41924802442 + ... + 41924803647.

Almost surely, 2^{50561312471667} is an apocalyptic number.

50561312471667 is a deficient number, since it is larger than the sum of its proper divisors (23561739311893).

50561312471667 is a wasteful number, since it uses less digits than its factorization.

50561312471667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83849606162 (or 83849606159 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 50561312471667 in words is "fifty trillion, five hundred sixty-one billion, three hundred twelve million, four hundred seventy-one thousand, six hundred sixty-seven".