50671355957 has 4 divisors (see below), whose sum is σ = 50859725580. Its totient is φ = 50482986336.

The previous prime is 50671355953. The next prime is 50671356019. The reversal of 50671355957 is 75955317605.

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 22567851076 + 28103504881 = 150226^2 + 167641^2 .

It is a cyclic number.

It is not a de Polignac number, because 50671355957 - 2² = 50671355953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50671355899 and 50671355908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50671355953) 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 3 ways as a sum of consecutive naturals, for example, 94184408 + ... + 94184945.

It is an arithmetic number, because the mean of its divisors is an integer number (12714931395).

Almost surely, 2^50671355957 is an apocalyptic number.

It is an amenable number.

50671355957 is a deficient number, since it is larger than the sum of its proper divisors (188369623).

50671355957 is a wasteful number, since it uses less digits than its factorization.

50671355957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188369622.

The product of its (nonzero) digits is 4961250, while the sum is 53.

The spelling of 50671355957 in words is "fifty billion, six hundred seventy-one million, three hundred fifty-five thousand, nine hundred fifty-seven".