51054454229 has 2 divisors, whose sum is σ = 51054454230. Its totient is φ = 51054454228.

The previous prime is 51054454211. The next prime is 51054454307. The reversal of 51054454229 is 92245445015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35203140625 + 15851313604 = 187625^2 + 125902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51054454229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51054457229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527227114 + 25527227115.

It is an arithmetic number, because the mean of its divisors is an integer number (25527227115).

Almost surely, 2^51054454229 is an apocalyptic number.

It is an amenable number.

51054454229 is a deficient number, since it is larger than the sum of its proper divisors (1).

51054454229 is an equidigital number, since it uses as much as digits as its factorization.

51054454229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 51054454229 in words is "fifty-one billion, fifty-four million, four hundred fifty-four thousand, two hundred twenty-nine".