50011321 has 2 divisors, whose sum is σ = 50011322. Its totient is φ = 50011320.

The previous prime is 50011289. The next prime is 50011333. The reversal of 50011321 is 12311005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30958096 + 19053225 = 5564^2 + 4365^2 .

It is a cyclic number.

It is not a de Polignac number, because 50011321 - 2⁵ = 50011289 is a prime.

It is a super-2 number, since 2×50011321² = 5002264456330082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50011391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005660 + 25005661.

It is an arithmetic number, because the mean of its divisors is an integer number (25005661).

Almost surely, 2^50011321 is an apocalyptic number.

It is an amenable number.

50011321 is a deficient number, since it is larger than the sum of its proper divisors (1).

50011321 is an equidigital number, since it uses as much as digits as its factorization.

50011321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 50011321 is about 7071.8682821444. The cubic root of 50011321 is about 368.4309523795.

Adding to 50011321 its reverse (12311005), we get a palindrome (62322326).

The spelling of 50011321 in words is "fifty million, eleven thousand, three hundred twenty-one".