51543451363 has 2 divisors, whose sum is σ = 51543451364. Its totient is φ = 51543451362.

The previous prime is 51543451331. The next prime is 51543451369. The reversal of 51543451363 is 36315434515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51543451363 - 2⁵ = 51543451331 is a prime.

It is not a weakly prime, because it can be changed into another prime (51543451369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25771725681 + 25771725682.

It is an arithmetic number, because the mean of its divisors is an integer number (25771725682).

Almost surely, 2^51543451363 is an apocalyptic number.

51543451363 is a deficient number, since it is larger than the sum of its proper divisors (1).

51543451363 is an equidigital number, since it uses as much as digits as its factorization.

51543451363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 40.

Adding to 51543451363 its reverse (36315434515), we get a palindrome (87858885878).

The spelling of 51543451363 in words is "fifty-one billion, five hundred forty-three million, four hundred fifty-one thousand, three hundred sixty-three".