50688321 has 4 divisors (see below), whose sum is σ = 67584432. Its totient is φ = 33792212.

The previous prime is 50688293. The next prime is 50688331. The reversal of 50688321 is 12388605.

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 a cyclic number.

It is not a de Polignac number, because 50688321 - 2⁵ = 50688289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50688331) 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, 8448051 + ... + 8448056.

It is an arithmetic number, because the mean of its divisors is an integer number (16896108).

Almost surely, 2^50688321 is an apocalyptic number.

It is an amenable number.

50688321 is a deficient number, since it is larger than the sum of its proper divisors (16896111).

50688321 is a wasteful number, since it uses less digits than its factorization.

50688321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16896110.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 50688321 is about 7119.5730911340. The cubic root of 50688321 is about 370.0859819655.

The spelling of 50688321 in words is "fifty million, six hundred eighty-eight thousand, three hundred twenty-one".