50218885 has 4 divisors (see below), whose sum is σ = 60262668. Its totient is φ = 40175104.

The previous prime is 50218877. The next prime is 50218897. The reversal of 50218885 is 58881205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58881205 = 5 ⋅11776241.

It can be written as a sum of positive squares in 2 ways, for example, as 12837889 + 37380996 = 3583^2 + 6114^2 .

It is a cyclic number.

It is not a de Polignac number, because 50218885 - 2³ = 50218877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021884 + ... + 5021893.

It is an arithmetic number, because the mean of its divisors is an integer number (15065667).

Almost surely, 2^50218885 is an apocalyptic number.

It is an amenable number.

50218885 is a deficient number, since it is larger than the sum of its proper divisors (10043783).

50218885 is a wasteful number, since it uses less digits than its factorization.

50218885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10043782.

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 50218885 is about 7086.5284166508. The cubic root of 50218885 is about 368.9399534591.

The spelling of 50218885 in words is "fifty million, two hundred eighteen thousand, eight hundred eighty-five".