50333721 has 4 divisors (see below), whose sum is σ = 67111632. Its totient is φ = 33555812.

The previous prime is 50333713. The next prime is 50333741. The reversal of 50333721 is 12733305.

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 50333721 - 2³ = 50333713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50333691 and 50333700.

It is not an unprimeable number, because it can be changed into a prime (50333711) 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, 8388951 + ... + 8388956.

It is an arithmetic number, because the mean of its divisors is an integer number (16777908).

Almost surely, 2^50333721 is an apocalyptic number.

It is an amenable number.

50333721 is a deficient number, since it is larger than the sum of its proper divisors (16777911).

50333721 is a wasteful number, since it uses less digits than its factorization.

50333721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16777910.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 50333721 is about 7094.6262057983. The cubic root of 50333721 is about 369.2209588706.

The spelling of 50333721 in words is "fifty million, three hundred thirty-three thousand, seven hundred twenty-one".