50921841 has 4 divisors (see below), whose sum is σ = 67895792. Its totient is φ = 33947892.

The previous prime is 50921833. The next prime is 50921867. The reversal of 50921841 is 14812905.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50921841 - 2³ = 50921833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50921799 and 50921808.

It is not an unprimeable number, because it can be changed into a prime (50921831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8486971 + ... + 8486976.

It is an arithmetic number, because the mean of its divisors is an integer number (16973948).

Almost surely, 2^50921841 is an apocalyptic number.

It is an amenable number.

50921841 is a deficient number, since it is larger than the sum of its proper divisors (16973951).

50921841 is a wasteful number, since it uses less digits than its factorization.

50921841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16973950.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 50921841 is about 7135.9541057941. The cubic root of 50921841 is about 370.6534374789.

The spelling of 50921841 in words is "fifty million, nine hundred twenty-one thousand, eight hundred forty-one".