55266446663 has 2 divisors, whose sum is σ = 55266446664. Its totient is φ = 55266446662.

The previous prime is 55266446659. The next prime is 55266446671. The reversal of 55266446663 is 36664466255.

55266446663 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 55266446663 - 2² = 55266446659 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55266448663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27633223331 + 27633223332.

It is an arithmetic number, because the mean of its divisors is an integer number (27633223332).

Almost surely, 2^55266446663 is an apocalyptic number.

55266446663 is a deficient number, since it is larger than the sum of its proper divisors (1).

55266446663 is an equidigital number, since it uses as much as digits as its factorization.

55266446663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 53.

The spelling of 55266446663 in words is "fifty-five billion, two hundred sixty-six million, four hundred forty-six thousand, six hundred sixty-three".