55591503552803 has 2 divisors, whose sum is σ = 55591503552804. Its totient is φ = 55591503552802.

The previous prime is 55591503552787. The next prime is 55591503552863. The reversal of 55591503552803 is 30825530519555.

55591503552803 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 is a cyclic number.

It is not a de Polignac number, because 55591503552803 - 2⁴ = 55591503552787 is a prime.

It is a super-2 number, since 2×55591503552803² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55591503552863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27795751776401 + 27795751776402.

It is an arithmetic number, because the mean of its divisors is an integer number (27795751776402).

Almost surely, 2^{55591503552803} is an apocalyptic number.

55591503552803 is a deficient number, since it is larger than the sum of its proper divisors (1).

55591503552803 is an equidigital number, since it uses as much as digits as its factorization.

55591503552803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250000, while the sum is 56.

The spelling of 55591503552803 in words is "fifty-five trillion, five hundred ninety-one billion, five hundred three million, five hundred fifty-two thousand, eight hundred three".