50947687 has 4 divisors (see below), whose sum is σ = 58225936. Its totient is φ = 43669440.

The previous prime is 50947679. The next prime is 50947717. The reversal of 50947687 is 78674905.

It is a happy number.

50947687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 50947687 - 2³ = 50947679 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 (50948687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3639114 + ... + 3639127.

It is an arithmetic number, because the mean of its divisors is an integer number (14556484).

Almost surely, 2^50947687 is an apocalyptic number.

50947687 is a deficient number, since it is larger than the sum of its proper divisors (7278249).

50947687 is an equidigital number, since it uses as much as digits as its factorization.

50947687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278248.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 50947687 is about 7137.7648462246. The cubic root of 50947687 is about 370.7161367596.

The spelling of 50947687 in words is "fifty million, nine hundred forty-seven thousand, six hundred eighty-seven".