51055600049 has 2 divisors, whose sum is σ = 51055600050. Its totient is φ = 51055600048.

The previous prime is 51055600039. The next prime is 51055600067. The reversal of 51055600049 is 94000655015.

51055600049 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 can be written as a sum of positive squares in only one way, i.e., 50610601024 + 444999025 = 224968^2 + 21095^2 .

It is a cyclic number.

It is not a de Polignac number, because 51055600049 - 2²⁴ = 51038822833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51055599991 and 51055600018.

It is not a weakly prime, because it can be changed into another prime (51055600019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527800024 + 25527800025.

It is an arithmetic number, because the mean of its divisors is an integer number (25527800025).

Almost surely, 2^51055600049 is an apocalyptic number.

It is an amenable number.

51055600049 is a deficient number, since it is larger than the sum of its proper divisors (1).

51055600049 is an equidigital number, since it uses as much as digits as its factorization.

51055600049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 51055600049 in words is "fifty-one billion, fifty-five million, six hundred thousand, forty-nine".