50371687 has 4 divisors (see below), whose sum is σ = 50400616. Its totient is φ = 50342760.

The previous prime is 50371669. The next prime is 50371691. The reversal of 50371687 is 78617305.

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-50371687 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 (50371627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11673 + ... + 15394.

It is an arithmetic number, because the mean of its divisors is an integer number (12600154).

Almost surely, 2^50371687 is an apocalyptic number.

50371687 is a deficient number, since it is larger than the sum of its proper divisors (28929).

50371687 is a wasteful number, since it uses less digits than its factorization.

50371687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28928.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 50371687 is about 7097.3013885561. The cubic root of 50371687 is about 369.3137682215.

It can be divided in two parts, 5037 and 1687, that added together give a square (6724 = 82²).

The spelling of 50371687 in words is "fifty million, three hundred seventy-one thousand, six hundred eighty-seven".