55065155165659 has 2 divisors, whose sum is σ = 55065155165660. Its totient is φ = 55065155165658.

The previous prime is 55065155165653. The next prime is 55065155165687. The reversal of 55065155165659 is 95656155156055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55065155165659 - 2⁹ = 55065155165147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55065155165659.

It is not a weakly prime, because it can be changed into another prime (55065155165653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27532577582829 + 27532577582830.

It is an arithmetic number, because the mean of its divisors is an integer number (27532577582830).

Almost surely, 2^{55065155165659} is an apocalyptic number.

55065155165659 is a deficient number, since it is larger than the sum of its proper divisors (1).

55065155165659 is an equidigital number, since it uses as much as digits as its factorization.

55065155165659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151875000, while the sum is 64.

The spelling of 55065155165659 in words is "fifty-five trillion, sixty-five billion, one hundred fifty-five million, one hundred sixty-five thousand, six hundred fifty-nine".