55553652065729 has 2 divisors, whose sum is σ = 55553652065730. Its totient is φ = 55553652065728.

The previous prime is 55553652065693. The next prime is 55553652065731. The reversal of 55553652065729 is 92756025635555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37761664082704 + 17791987983025 = 6145052^2 + 4218055^2 .

It is a cyclic number.

It is not a de Polignac number, because 55553652065729 - 2²⁰ = 55553651017153 is a prime.

It is a Sophie Germain prime.

Together with 55553652065731, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55553652065759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776826032864 + 27776826032865.

It is an arithmetic number, because the mean of its divisors is an integer number (27776826032865).

Almost surely, 2^{55553652065729} is an apocalyptic number.

It is an amenable number.

55553652065729 is a deficient number, since it is larger than the sum of its proper divisors (1).

55553652065729 is an equidigital number, since it uses as much as digits as its factorization.

55553652065729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 425250000, while the sum is 65.

The spelling of 55553652065729 in words is "fifty-five trillion, five hundred fifty-three billion, six hundred fifty-two million, sixty-five thousand, seven hundred twenty-nine".