50063921 has 4 divisors (see below), whose sum is σ = 50078832. Its totient is φ = 50049012.

The previous prime is 50063869. The next prime is 50063933. The reversal of 50063921 is 12936005.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50063921 - 2¹⁴ = 50047537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50063971) 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, 206 + ... + 10008.

It is an arithmetic number, because the mean of its divisors is an integer number (12519708).

Almost surely, 2^50063921 is an apocalyptic number.

It is an amenable number.

50063921 is a deficient number, since it is larger than the sum of its proper divisors (14911).

50063921 is an equidigital number, since it uses as much as digits as its factorization.

50063921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14910.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 50063921 is about 7075.5862654624. The cubic root of 50063921 is about 368.5600743295.

Adding to 50063921 its reverse (12936005), we get a palindrome (62999926).

The spelling of 50063921 in words is "fifty million, sixty-three thousand, nine hundred twenty-one".