50557589691671 has 4 divisors (see below), whose sum is σ = 50840034327000. Its totient is φ = 50275145056344.

The previous prime is 50557589691647. The next prime is 50557589691677. The reversal of 50557589691671 is 17619698575505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50557589691671 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 (50557589691677) 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, 141222317396 + ... + 141222317753.

It is an arithmetic number, because the mean of its divisors is an integer number (12710008581750).

Almost surely, 2^{50557589691671} is an apocalyptic number.

50557589691671 is a deficient number, since it is larger than the sum of its proper divisors (282444635329).

50557589691671 is a wasteful number, since it uses less digits than its factorization.

50557589691671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282444635328.

The product of its (nonzero) digits is 714420000, while the sum is 74.

The spelling of 50557589691671 in words is "fifty trillion, five hundred fifty-seven billion, five hundred eighty-nine million, six hundred ninety-one thousand, six hundred seventy-one".