55468129 has 2 divisors, whose sum is σ = 55468130. Its totient is φ = 55468128.

The previous prime is 55468099. The next prime is 55468169. The reversal of 55468129 is 92186455.

It is an a-pointer prime, because the next prime (55468169) can be obtained adding 55468129 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40297104 + 15171025 = 6348^2 + 3895^2 .

It is a cyclic number.

It is not a de Polignac number, because 55468129 - 2¹⁹ = 54943841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55468091 and 55468100.

It is not a weakly prime, because it can be changed into another prime (55468169) 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, 27734064 + 27734065.

It is an arithmetic number, because the mean of its divisors is an integer number (27734065).

Almost surely, 2^55468129 is an apocalyptic number.

It is an amenable number.

55468129 is a deficient number, since it is larger than the sum of its proper divisors (1).

55468129 is an equidigital number, since it uses as much as digits as its factorization.

55468129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 55468129 is about 7447.6928642365. The cubic root of 55468129 is about 381.3711522518.

The spelling of 55468129 in words is "fifty-five million, four hundred sixty-eight thousand, one hundred twenty-nine".