50421868 has 48 divisors (see below), whose sum is σ = 104618304. Its totient is φ = 20816640.

The previous prime is 50421821. The next prime is 50421869. The reversal of 50421868 is 86812405.

It is not an unprimeable number, because it can be changed into a prime (50421869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90246 + ... + 90802.

It is an arithmetic number, because the mean of its divisors is an integer number (2179548).

Almost surely, 2^50421868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50421868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52309152).

50421868 is an abundant number, since it is smaller than the sum of its proper divisors (54196436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50421868 is a wasteful number, since it uses less digits than its factorization.

50421868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 50421868 is about 7100.8357254622. The cubic root of 50421868 is about 369.4363660840.

The spelling of 50421868 in words is "fifty million, four hundred twenty-one thousand, eight hundred sixty-eight".