53553988129 has 2 divisors, whose sum is σ = 53553988130. Its totient is φ = 53553988128.

The previous prime is 53553988127. The next prime is 53553988247. The reversal of 53553988129 is 92188935535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45593779729 + 7960208400 = 213527^2 + 89220^2 .

It is a cyclic number.

It is not a de Polignac number, because 53553988129 - 2¹ = 53553988127 is a prime.

Together with 53553988127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53553988127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26776994064 + 26776994065.

It is an arithmetic number, because the mean of its divisors is an integer number (26776994065).

Almost surely, 2^53553988129 is an apocalyptic number.

It is an amenable number.

53553988129 is a deficient number, since it is larger than the sum of its proper divisors (1).

53553988129 is an equidigital number, since it uses as much as digits as its factorization.

53553988129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664000, while the sum is 58.

The spelling of 53553988129 in words is "fifty-three billion, five hundred fifty-three million, nine hundred eighty-eight thousand, one hundred twenty-nine".