51544510049 has 2 divisors, whose sum is σ = 51544510050. Its totient is φ = 51544510048.

The previous prime is 51544510033. The next prime is 51544510057. The reversal of 51544510049 is 94001544515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37110169600 + 14434340449 = 192640^2 + 120143^2 .

It is a cyclic number.

It is not a de Polignac number, because 51544510049 - 2⁴ = 51544510033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51544509994 and 51544510021.

It is not a weakly prime, because it can be changed into another prime (51544510649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25772255024 + 25772255025.

It is an arithmetic number, because the mean of its divisors is an integer number (25772255025).

Almost surely, 2^51544510049 is an apocalyptic number.

It is an amenable number.

51544510049 is a deficient number, since it is larger than the sum of its proper divisors (1).

51544510049 is an equidigital number, since it uses as much as digits as its factorization.

51544510049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 51544510049 in words is "fifty-one billion, five hundred forty-four million, five hundred ten thousand, forty-nine".