55252399870823 has 2 divisors, whose sum is σ = 55252399870824. Its totient is φ = 55252399870822.

The previous prime is 55252399870817. The next prime is 55252399870831. The reversal of 55252399870823 is 32807899325255.

55252399870823 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 55252399870823 - 2²⁶ = 55252332761959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55252399870873) 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, 27626199935411 + 27626199935412.

It is an arithmetic number, because the mean of its divisors is an integer number (27626199935412).

Almost surely, 2^{55252399870823} is an apocalyptic number.

55252399870823 is a deficient number, since it is larger than the sum of its proper divisors (1).

55252399870823 is an equidigital number, since it uses as much as digits as its factorization.

55252399870823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592000, while the sum is 68.

The spelling of 55252399870823 in words is "fifty-five trillion, two hundred fifty-two billion, three hundred ninety-nine million, eight hundred seventy thousand, eight hundred twenty-three".