50621641 has 4 divisors (see below), whose sum is σ = 57853312. Its totient is φ = 43389972.

The previous prime is 50621633. The next prime is 50621647. The reversal of 50621641 is 14612605.

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 a cyclic number.

It is not a de Polignac number, because 50621641 - 2³ = 50621633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50621647) by changing a digit.

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, 3615825 + ... + 3615838.

It is an arithmetic number, because the mean of its divisors is an integer number (14463328).

Almost surely, 2^50621641 is an apocalyptic number.

It is an amenable number.

50621641 is a deficient number, since it is larger than the sum of its proper divisors (7231671).

50621641 is an equidigital number, since it uses as much as digits as its factorization.

50621641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231670.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 50621641 is about 7114.8886850041. Note that the first 3 decimals coincide. The cubic root of 50621641 is about 369.9236292339.

The spelling of 50621641 in words is "fifty million, six hundred twenty-one thousand, six hundred forty-one".