50021853 has 16 divisors (see below), whose sum is σ = 76331136. Its totient is φ = 28543680.

The previous prime is 50021801. The next prime is 50021869. The reversal of 50021853 is 35812005.

It is not a de Polignac number, because 50021853 - 2¹⁰ = 50020829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50021893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20275 + ... + 22607.

It is an arithmetic number, because the mean of its divisors is an integer number (4770696).

Almost surely, 2^50021853 is an apocalyptic number.

It is an amenable number.

50021853 is a deficient number, since it is larger than the sum of its proper divisors (26309283).

50021853 is a wasteful number, since it uses less digits than its factorization.

50021853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 50021853 is about 7072.6128835106. The cubic root of 50021853 is about 368.4568134736.

Adding to 50021853 its reverse (35812005), we get a palindrome (85833858).

The spelling of 50021853 in words is "fifty million, twenty-one thousand, eight hundred fifty-three".