50561106143 has 4 divisors (see below), whose sum is σ = 50561803488. Its totient is φ = 50560408800.

The previous prime is 50561106119. The next prime is 50561106179. The reversal of 50561106143 is 34160116505.

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

It is a cyclic number.

It is not a de Polignac number, because 50561106143 - 2¹² = 50561102047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561106443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225383 + ... + 389768.

It is an arithmetic number, because the mean of its divisors is an integer number (12640450872).

Almost surely, 2^50561106143 is an apocalyptic number.

50561106143 is a deficient number, since it is larger than the sum of its proper divisors (697345).

50561106143 is an equidigital number, since it uses as much as digits as its factorization.

50561106143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697344.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 50561106143 in words is "fifty billion, five hundred sixty-one million, one hundred six thousand, one hundred forty-three".