55603363 has 2 divisors, whose sum is σ = 55603364. Its totient is φ = 55603362.

The previous prime is 55603357. The next prime is 55603403. The reversal of 55603363 is 36330655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55603363 - 2⁹ = 55602851 is a prime.

It is not a weakly prime, because it can be changed into another prime (55603313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27801681 + 27801682.

It is an arithmetic number, because the mean of its divisors is an integer number (27801682).

Almost surely, 2^55603363 is an apocalyptic number.

55603363 is a deficient number, since it is larger than the sum of its proper divisors (1).

55603363 is an equidigital number, since it uses as much as digits as its factorization.

55603363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 31.

The square root of 55603363 is about 7456.7662562266. The cubic root of 55603363 is about 381.6808345289.

The spelling of 55603363 in words is "fifty-five million, six hundred three thousand, three hundred sixty-three".