55505029 has 2 divisors, whose sum is σ = 55505030. Its totient is φ = 55505028.

The previous prime is 55504997. The next prime is 55505071. The reversal of 55505029 is 92050555.

55505029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49028004 + 6477025 = 7002^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 55505029 - 2⁵ = 55504997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55505129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752514 + 27752515.

It is an arithmetic number, because the mean of its divisors is an integer number (27752515).

Almost surely, 2^55505029 is an apocalyptic number.

It is an amenable number.

55505029 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505029 is an equidigital number, since it uses as much as digits as its factorization.

55505029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 55505029 is about 7450.1697296102. The cubic root of 55505029 is about 381.4557021626.

The spelling of 55505029 in words is "fifty-five million, five hundred five thousand, twenty-nine".