50654321 has 2 divisors, whose sum is σ = 50654322. Its totient is φ = 50654320.

The previous prime is 50654293. The next prime is 50654353. The reversal of 50654321 is 12345605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33223696 + 17430625 = 5764^2 + 4175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50654321 is a prime.

It is not a weakly prime, because it can be changed into another prime (50654521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25327160 + 25327161.

It is an arithmetic number, because the mean of its divisors is an integer number (25327161).

Almost surely, 2^50654321 is an apocalyptic number.

It is an amenable number.

50654321 is a deficient number, since it is larger than the sum of its proper divisors (1).

50654321 is an equidigital number, since it uses as much as digits as its factorization.

50654321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50654321 is about 7117.1849069699. The cubic root of 50654321 is about 370.0032164317.

Adding to 50654321 its reverse (12345605), we get a palindrome (62999926).

The spelling of 50654321 in words is "fifty million, six hundred fifty-four thousand, three hundred twenty-one".