50605550557 has 4 divisors (see below), whose sum is σ = 50610537180. Its totient is φ = 50600563936.

The previous prime is 50605550539. The next prime is 50605550563. The reversal of 50605550557 is 75505550605.

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 23501196601 + 27104353956 = 153301^2 + 164634^2 .

It is a cyclic number.

It is not a de Polignac number, because 50605550557 - 2¹¹ = 50605548509 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 (50605550587) 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, 2478058 + ... + 2498395.

It is an arithmetic number, because the mean of its divisors is an integer number (12652634295).

Almost surely, 2^50605550557 is an apocalyptic number.

It is an amenable number.

50605550557 is a deficient number, since it is larger than the sum of its proper divisors (4986623).

50605550557 is a wasteful number, since it uses less digits than its factorization.

50605550557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986622.

The product of its (nonzero) digits is 656250, while the sum is 43.

The spelling of 50605550557 in words is "fifty billion, six hundred five million, five hundred fifty thousand, five hundred fifty-seven".