51004284853 has 2 divisors, whose sum is σ = 51004284854. Its totient is φ = 51004284852.

The previous prime is 51004284829. The next prime is 51004284899. The reversal of 51004284853 is 35848240015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33330709489 + 17673575364 = 182567^2 + 132942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51004284853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51004284053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502142426 + 25502142427.

It is an arithmetic number, because the mean of its divisors is an integer number (25502142427).

Almost surely, 2^51004284853 is an apocalyptic number.

It is an amenable number.

51004284853 is a deficient number, since it is larger than the sum of its proper divisors (1).

51004284853 is an equidigital number, since it uses as much as digits as its factorization.

51004284853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 51004284853 in words is "fifty-one billion, four million, two hundred eighty-four thousand, eight hundred fifty-three".