51729754547 has 2 divisors, whose sum is σ = 51729754548. Its totient is φ = 51729754546.

The previous prime is 51729754541. The next prime is 51729754567. The reversal of 51729754547 is 74545792715.

51729754547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51729754547 - 2¹⁴ = 51729738163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51729754492 and 51729754501.

It is not a weakly prime, because it can be changed into another prime (51729754541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25864877273 + 25864877274.

It is an arithmetic number, because the mean of its divisors is an integer number (25864877274).

Almost surely, 2^51729754547 is an apocalyptic number.

51729754547 is a deficient number, since it is larger than the sum of its proper divisors (1).

51729754547 is an equidigital number, since it uses as much as digits as its factorization.

51729754547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348000, while the sum is 56.

The spelling of 51729754547 in words is "fifty-one billion, seven hundred twenty-nine million, seven hundred fifty-four thousand, five hundred forty-seven".