51342554430551 has 2 divisors, whose sum is σ = 51342554430552. Its totient is φ = 51342554430550.

The previous prime is 51342554430529. The next prime is 51342554430647. The reversal of 51342554430551 is 15503445524315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51342554430551 - 2⁶ = 51342554430487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51342554430496 and 51342554430505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51342554430521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25671277215275 + 25671277215276.

It is an arithmetic number, because the mean of its divisors is an integer number (25671277215276).

Almost surely, 2^{51342554430551} is an apocalyptic number.

51342554430551 is a deficient number, since it is larger than the sum of its proper divisors (1).

51342554430551 is an equidigital number, since it uses as much as digits as its factorization.

51342554430551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600000, while the sum is 47.

Adding to 51342554430551 its reverse (15503445524315), we get a palindrome (66845999954866).

The spelling of 51342554430551 in words is "fifty-one trillion, three hundred forty-two billion, five hundred fifty-four million, four hundred thirty thousand, five hundred fifty-one".