50605110560561 has 4 divisors (see below), whose sum is σ = 50714883035124. Its totient is φ = 50495338086000.

The previous prime is 50605110560483. The next prime is 50605110560591. The reversal of 50605110560561 is 16506501150605.

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 19942655118400 + 30662455442161 = 4465720^2 + 5537369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50605110560561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50605110560591) 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, 54886236590 + ... + 54886237511.

It is an arithmetic number, because the mean of its divisors is an integer number (12678720758781).

Almost surely, 2^{50605110560561} is an apocalyptic number.

It is an amenable number.

50605110560561 is a deficient number, since it is larger than the sum of its proper divisors (109772474563).

50605110560561 is a wasteful number, since it uses less digits than its factorization.

50605110560561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109772474562.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 50605110560561 in words is "fifty trillion, six hundred five billion, one hundred ten million, five hundred sixty thousand, five hundred sixty-one".