51450323 has 2 divisors, whose sum is σ = 51450324. Its totient is φ = 51450322.

The previous prime is 51450299. The next prime is 51450341. The reversal of 51450323 is 32305415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51450323 - 2⁸ = 51450067 is a prime.

It is not a weakly prime, because it can be changed into another prime (51450353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25725161 + 25725162.

It is an arithmetic number, because the mean of its divisors is an integer number (25725162).

Almost surely, 2^51450323 is an apocalyptic number.

51450323 is a deficient number, since it is larger than the sum of its proper divisors (1).

51450323 is an equidigital number, since it uses as much as digits as its factorization.

51450323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 51450323 is about 7172.8880515452. Note that the first 3 decimals coincide. The cubic root of 51450323 is about 371.9312775314.

Adding to 51450323 its reverse (32305415), we get a palindrome (83755738).

The spelling of 51450323 in words is "fifty-one million, four hundred fifty thousand, three hundred twenty-three".