50221648 has 10 divisors (see below), whose sum is σ = 97304474. Its totient is φ = 25110816.

The previous prime is 50221609. The next prime is 50221681. The reversal of 50221648 is 84612205.

50221648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36144144 + 14077504 = 6012^2 + 3752^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1569411 + ... + 1569442.

Almost surely, 2^50221648 is an apocalyptic number.

It is an amenable number.

50221648 is a deficient number, since it is larger than the sum of its proper divisors (47082826).

50221648 is a wasteful number, since it uses less digits than its factorization.

50221648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138861 (or 3138855 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 50221648 is about 7086.7233613286. The cubic root of 50221648 is about 368.9467195883.

It can be divided in two parts, 5022 and 1648, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 50221648 in words is "fifty million, two hundred twenty-one thousand, six hundred forty-eight".