51330303551 has 2 divisors, whose sum is σ = 51330303552. Its totient is φ = 51330303550.

The previous prime is 51330303467. The next prime is 51330303553. The reversal of 51330303551 is 15530303315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51330303551 - 2¹⁴ = 51330287167 is a prime.

Together with 51330303553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51330303553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25665151775 + 25665151776.

It is an arithmetic number, because the mean of its divisors is an integer number (25665151776).

Almost surely, 2^51330303551 is an apocalyptic number.

51330303551 is a deficient number, since it is larger than the sum of its proper divisors (1).

51330303551 is an equidigital number, since it uses as much as digits as its factorization.

51330303551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125, while the sum is 29.

Adding to 51330303551 its reverse (15530303315), we get a palindrome (66860606866).

The spelling of 51330303551 in words is "fifty-one billion, three hundred thirty million, three hundred three thousand, five hundred fifty-one".