55550054481263 has 2 divisors, whose sum is σ = 55550054481264. Its totient is φ = 55550054481262.

The previous prime is 55550054481241. The next prime is 55550054481331. The reversal of 55550054481263 is 36218445005555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55550054481263 - 2⁴² = 51152007970159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55550054481223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775027240631 + 27775027240632.

It is an arithmetic number, because the mean of its divisors is an integer number (27775027240632).

Almost surely, 2^{55550054481263} is an apocalyptic number.

55550054481263 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550054481263 is an equidigital number, since it uses as much as digits as its factorization.

55550054481263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400000, while the sum is 53.

The spelling of 55550054481263 in words is "fifty-five trillion, five hundred fifty billion, fifty-four million, four hundred eighty-one thousand, two hundred sixty-three".