55303627 has 2 divisors, whose sum is σ = 55303628. Its totient is φ = 55303626.

The previous prime is 55303607. The next prime is 55303639. The reversal of 55303627 is 72630355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55303627 is a prime.

It is not a weakly prime, because it can be changed into another prime (55303607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27651813 + 27651814.

It is an arithmetic number, because the mean of its divisors is an integer number (27651814).

Almost surely, 2^55303627 is an apocalyptic number.

55303627 is a deficient number, since it is larger than the sum of its proper divisors (1).

55303627 is an equidigital number, since it uses as much as digits as its factorization.

55303627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 55303627 is about 7436.6408411325. The cubic root of 55303627 is about 380.9937677374.

The spelling of 55303627 in words is "fifty-five million, three hundred three thousand, six hundred twenty-seven".