55651006129 has 2 divisors, whose sum is σ = 55651006130. Its totient is φ = 55651006128.

The previous prime is 55651006121. The next prime is 55651006163. The reversal of 55651006129 is 92160015655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53594565025 + 2056441104 = 231505^2 + 45348^2 .

It is a cyclic number.

It is not a de Polignac number, because 55651006129 - 2³ = 55651006121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55651006091 and 55651006100.

It is not a weakly prime, because it can be changed into another prime (55651006121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27825503064 + 27825503065.

It is an arithmetic number, because the mean of its divisors is an integer number (27825503065).

Almost surely, 2^55651006129 is an apocalyptic number.

It is an amenable number.

55651006129 is a deficient number, since it is larger than the sum of its proper divisors (1).

55651006129 is an equidigital number, since it uses as much as digits as its factorization.

55651006129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 55651006129 in words is "fifty-five billion, six hundred fifty-one million, six thousand, one hundred twenty-nine".