50887217 has 4 divisors (see below), whose sum is σ = 51500400. Its totient is φ = 50274036.

The previous prime is 50887211. The next prime is 50887219. The reversal of 50887217 is 71278805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50887217 - 2⁶ = 50887153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50887211) 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, 306467 + ... + 306632.

It is an arithmetic number, because the mean of its divisors is an integer number (12875100).

Almost surely, 2^50887217 is an apocalyptic number.

It is an amenable number.

50887217 is a deficient number, since it is larger than the sum of its proper divisors (613183).

50887217 is an equidigital number, since it uses as much as digits as its factorization.

50887217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613182.

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

The square root of 50887217 is about 7133.5276686924. The cubic root of 50887217 is about 370.5694105718.

The spelling of 50887217 in words is "fifty million, eight hundred eighty-seven thousand, two hundred seventeen".