55542329 has 2 divisors, whose sum is σ = 55542330. Its totient is φ = 55542328.

The previous prime is 55542323. The next prime is 55542341. The reversal of 55542329 is 92324555.

55542329 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., 43626025 + 11916304 = 6605^2 + 3452^2 .

It is a cyclic number.

It is not a de Polignac number, because 55542329 - 2¹² = 55538233 is a prime.

It is not a weakly prime, because it can be changed into another prime (55542323) 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, 27771164 + 27771165.

It is an arithmetic number, because the mean of its divisors is an integer number (27771165).

Almost surely, 2^55542329 is an apocalyptic number.

It is an amenable number.

55542329 is a deficient number, since it is larger than the sum of its proper divisors (1).

55542329 is an equidigital number, since it uses as much as digits as its factorization.

55542329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The square root of 55542329 is about 7452.6726078636. The cubic root of 55542329 is about 381.5411305280.

The spelling of 55542329 in words is "fifty-five million, five hundred forty-two thousand, three hundred twenty-nine".