50871287 has 8 divisors (see below), whose sum is σ = 51760800. Its totient is φ = 49986720.

The previous prime is 50871269. The next prime is 50871299. The reversal of 50871287 is 78217805.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50871287 - 2²⁰ = 49822711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50871287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50871257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23753 + ... + 25805.

It is an arithmetic number, because the mean of its divisors is an integer number (6470100).

Almost surely, 2^50871287 is an apocalyptic number.

50871287 is a deficient number, since it is larger than the sum of its proper divisors (889513).

50871287 is a wasteful number, since it uses less digits than its factorization.

50871287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 50871287 is about 7132.4110229291. The cubic root of 50871287 is about 370.5307382087.

The spelling of 50871287 in words is "fifty million, eight hundred seventy-one thousand, two hundred eighty-seven".