50506160561 has 4 divisors (see below), whose sum is σ = 50509621092. Its totient is φ = 50502700032.

The previous prime is 50506160491. The next prime is 50506160581. The reversal of 50506160561 is 16506160505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33333630625 + 17172529936 = 182575^2 + 131044^2 .

It is a cyclic number.

It is not a de Polignac number, because 50506160561 - 2²² = 50501966257 is a prime.

It is a super-2 number, since 2×50506160561² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50506160581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1708280 + ... + 1737593.

It is an arithmetic number, because the mean of its divisors is an integer number (12627405273).

Almost surely, 2^50506160561 is an apocalyptic number.

It is an amenable number.

50506160561 is a deficient number, since it is larger than the sum of its proper divisors (3460531).

50506160561 is a wasteful number, since it uses less digits than its factorization.

50506160561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460530.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 50506160561 in words is "fifty billion, five hundred six million, one hundred sixty thousand, five hundred sixty-one".