50021392 has 20 divisors (see below), whose sum is σ = 97142716. Its totient is φ = 24952320.

The previous prime is 50021369. The next prime is 50021407. The reversal of 50021392 is 29312005.

It can be written as a sum of positive squares in 2 ways, for example, as 40755456 + 9265936 = 6384^2 + 3044^2 .

It is an unprimeable number.

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, 3892 + ... + 10732.

Almost surely, 2^50021392 is an apocalyptic number.

It is an amenable number.

50021392 is a deficient number, since it is larger than the sum of its proper divisors (47121324).

50021392 is a wasteful number, since it uses less digits than its factorization.

50021392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306 (or 7300 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 50021392 is about 7072.5802929341. The cubic root of 50021392 is about 368.4556815742.

Adding to 50021392 its reverse (29312005), we get a palindrome (79333397).

The spelling of 50021392 in words is "fifty million, twenty-one thousand, three hundred ninety-two".