51022504553 has 2 divisors, whose sum is σ = 51022504554. Its totient is φ = 51022504552.

The previous prime is 51022504543. The next prime is 51022504591. The reversal of 51022504553 is 35540522015.

51022504553 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., 26447866384 + 24574638169 = 162628^2 + 156763^2 .

It is a cyclic number.

It is not a de Polignac number, because 51022504553 - 2⁴ = 51022504537 is a prime.

It is not a weakly prime, because it can be changed into another prime (51022504543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25511252276 + 25511252277.

It is an arithmetic number, because the mean of its divisors is an integer number (25511252277).

Almost surely, 2^51022504553 is an apocalyptic number.

It is an amenable number.

51022504553 is a deficient number, since it is larger than the sum of its proper divisors (1).

51022504553 is an equidigital number, since it uses as much as digits as its factorization.

51022504553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 51022504553 in words is "fifty-one billion, twenty-two million, five hundred four thousand, five hundred fifty-three".