50221973 has 4 divisors (see below), whose sum is σ = 50239680. Its totient is φ = 50204268.

The previous prime is 50221967. The next prime is 50221981. The reversal of 50221973 is 37912205.

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 50221973 - 2⁶ = 50221909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221933) 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, 3533 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (12559920).

Almost surely, 2^50221973 is an apocalyptic number.

It is an amenable number.

50221973 is a deficient number, since it is larger than the sum of its proper divisors (17707).

50221973 is a wasteful number, since it uses less digits than its factorization.

50221973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 50221973 is about 7086.7462914937. The cubic root of 50221973 is about 368.9475154432.

The spelling of 50221973 in words is "fifty million, two hundred twenty-one thousand, nine hundred seventy-three".