55355335487 has 2 divisors, whose sum is σ = 55355335488. Its totient is φ = 55355335486.

The previous prime is 55355335481. The next prime is 55355335573. The reversal of 55355335487 is 78453355355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55355335487 - 2¹² = 55355331391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55355335481) 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, 27677667743 + 27677667744.

It is an arithmetic number, because the mean of its divisors is an integer number (27677667744).

Almost surely, 2^55355335487 is an apocalyptic number.

55355335487 is a deficient number, since it is larger than the sum of its proper divisors (1).

55355335487 is an equidigital number, since it uses as much as digits as its factorization.

55355335487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900000, while the sum is 53.

The spelling of 55355335487 in words is "fifty-five billion, three hundred fifty-five million, three hundred thirty-five thousand, four hundred eighty-seven".