55503027780323 has 2 divisors, whose sum is σ = 55503027780324. Its totient is φ = 55503027780322.

The previous prime is 55503027780157. The next prime is 55503027780413. The reversal of 55503027780323 is 32308772030555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55503027780323 - 2¹⁶ = 55503027714787 is a prime.

It is not a weakly prime, because it can be changed into another prime (55503027780523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751513890161 + 27751513890162.

It is an arithmetic number, because the mean of its divisors is an integer number (27751513890162).

Almost surely, 2^{55503027780323} is an apocalyptic number.

55503027780323 is a deficient number, since it is larger than the sum of its proper divisors (1).

55503027780323 is an equidigital number, since it uses as much as digits as its factorization.

55503027780323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 55503027780323 in words is "fifty-five trillion, five hundred three billion, twenty-seven million, seven hundred eighty thousand, three hundred twenty-three".