55627427 has 2 divisors, whose sum is σ = 55627428. Its totient is φ = 55627426.

The previous prime is 55627381. The next prime is 55627433. The reversal of 55627427 is 72472655.

It is a happy number.

55627427 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 55627427 - 2⁸ = 55627171 is a prime.

It is not a weakly prime, because it can be changed into another prime (55627457) 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, 27813713 + 27813714.

It is an arithmetic number, because the mean of its divisors is an integer number (27813714).

Almost surely, 2^55627427 is an apocalyptic number.

55627427 is a deficient number, since it is larger than the sum of its proper divisors (1).

55627427 is an equidigital number, since it uses as much as digits as its factorization.

55627427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 38.

The square root of 55627427 is about 7458.3796497631. The cubic root of 55627427 is about 381.7358878113.

The spelling of 55627427 in words is "fifty-five million, six hundred twenty-seven thousand, four hundred twenty-seven".