50921133 has 8 divisors (see below), whose sum is σ = 67938528. Its totient is φ = 33925584.

The previous prime is 50921111. The next prime is 50921147. The reversal of 50921133 is 33112905.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50921133 - 2¹⁰ = 50920109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50921183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110 + ... + 10152.

It is an arithmetic number, because the mean of its divisors is an integer number (8492316).

Almost surely, 2^50921133 is an apocalyptic number.

It is an amenable number.

50921133 is a deficient number, since it is larger than the sum of its proper divisors (17017395).

50921133 is a wasteful number, since it uses less digits than its factorization.

50921133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 50921133 is about 7135.9044976793. The cubic root of 50921133 is about 370.6517196578.

The spelling of 50921133 in words is "fifty million, nine hundred twenty-one thousand, one hundred thirty-three".