50512321 has 8 divisors (see below), whose sum is σ = 53671464. Its totient is φ = 47374080.

The previous prime is 50512307. The next prime is 50512327. The reversal of 50512321 is 12321505.

It can be written as a sum of positive squares in 4 ways, for example, as 18147600 + 32364721 = 4260^2 + 5689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50512321 - 2⁷ = 50512193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50512327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90 + ... + 10051.

It is an arithmetic number, because the mean of its divisors is an integer number (6708933).

Almost surely, 2^50512321 is an apocalyptic number.

It is an amenable number.

50512321 is a deficient number, since it is larger than the sum of its proper divisors (3159143).

50512321 is a wasteful number, since it uses less digits than its factorization.

50512321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10451.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 50512321 is about 7107.2020514405. The cubic root of 50512321 is about 369.6571477048.

Adding to 50512321 its reverse (12321505), we get a palindrome (62833826).

The spelling of 50512321 in words is "fifty million, five hundred twelve thousand, three hundred twenty-one".