55644527 has 2 divisors, whose sum is σ = 55644528. Its totient is φ = 55644526.

The previous prime is 55644517. The next prime is 55644529. The reversal of 55644527 is 72544655.

55644527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55644527 - 2¹⁰ = 55643503 is a prime.

Together with 55644529, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55644529) 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, 27822263 + 27822264.

It is an arithmetic number, because the mean of its divisors is an integer number (27822264).

Almost surely, 2^55644527 is an apocalyptic number.

55644527 is a deficient number, since it is larger than the sum of its proper divisors (1).

55644527 is an equidigital number, since it uses as much as digits as its factorization.

55644527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 38.

The square root of 55644527 is about 7459.5259232742. The cubic root of 55644527 is about 381.7749993028.

The spelling of 55644527 in words is "fifty-five million, six hundred forty-four thousand, five hundred twenty-seven".