54655655729 has 2 divisors, whose sum is σ = 54655655730. Its totient is φ = 54655655728.

The previous prime is 54655655623. The next prime is 54655655731. The reversal of 54655655729 is 92755655645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47905390129 + 6750265600 = 218873^2 + 82160^2 .

It is a cyclic number.

It is not a de Polignac number, because 54655655729 - 2⁸ = 54655655473 is a prime.

Together with 54655655731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54655655029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27327827864 + 27327827865.

It is an arithmetic number, because the mean of its divisors is an integer number (27327827865).

Almost surely, 2^54655655729 is an apocalyptic number.

It is an amenable number.

54655655729 is a deficient number, since it is larger than the sum of its proper divisors (1).

54655655729 is an equidigital number, since it uses as much as digits as its factorization.

54655655729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700000, while the sum is 59.

The spelling of 54655655729 in words is "fifty-four billion, six hundred fifty-five million, six hundred fifty-five thousand, seven hundred twenty-nine".