50387171677 has 4 divisors (see below), whose sum is σ = 50400673180. Its totient is φ = 50373670176.

The previous prime is 50387171599. The next prime is 50387171683. The reversal of 50387171677 is 77617178305.

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 33734301561 + 16652870116 = 183669^2 + 129046^2 .

It is a cyclic number.

It is not a de Polignac number, because 50387171677 - 2¹⁵ = 50387138909 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 (50381171677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6745152 + ... + 6752617.

It is an arithmetic number, because the mean of its divisors is an integer number (12600168295).

Almost surely, 2^50387171677 is an apocalyptic number.

It is an amenable number.

50387171677 is a deficient number, since it is larger than the sum of its proper divisors (13501503).

50387171677 is a wasteful number, since it uses less digits than its factorization.

50387171677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13501502.

The product of its (nonzero) digits is 1728720, while the sum is 52.

The spelling of 50387171677 in words is "fifty billion, three hundred eighty-seven million, one hundred seventy-one thousand, six hundred seventy-seven".