50561433137 has 8 divisors (see below), whose sum is σ = 51679425600. Its totient is φ = 49452141424.

The previous prime is 50561433089. The next prime is 50561433161. The reversal of 50561433137 is 73133416505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50561433137 - 2²⁴ = 50544655921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50561433137.

It is not an unprimeable number, because it can be changed into a prime (50561433187) 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 7 ways as a sum of consecutive naturals, for example, 2163437 + ... + 2186682.

It is an arithmetic number, because the mean of its divisors is an integer number (6459928200).

Almost surely, 2^50561433137 is an apocalyptic number.

It is an amenable number.

50561433137 is a deficient number, since it is larger than the sum of its proper divisors (1117992463).

50561433137 is a wasteful number, since it uses less digits than its factorization.

50561433137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350375.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 50561433137 in words is "fifty billion, five hundred sixty-one million, four hundred thirty-three thousand, one hundred thirty-seven".