50994321 has 16 divisors (see below), whose sum is σ = 79173504. Its totient is φ = 28589184.

The previous prime is 50994313. The next prime is 50994323. The reversal of 50994321 is 12349905.

It is not a de Polignac number, because 50994321 - 2³ = 50994313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50994323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21796 + ... + 24021.

It is an arithmetic number, because the mean of its divisors is an integer number (4948344).

Almost surely, 2^50994321 is an apocalyptic number.

It is an amenable number.

50994321 is a deficient number, since it is larger than the sum of its proper divisors (28179183).

50994321 is a wasteful number, since it uses less digits than its factorization.

50994321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45880.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 50994321 is about 7141.0308079436. The cubic root of 50994321 is about 370.8292115969.

It can be divided in two parts, 50994 and 321, that added together give a palindrome (51315).

The spelling of 50994321 in words is "fifty million, nine hundred ninety-four thousand, three hundred twenty-one".