55630665163 has 2 divisors, whose sum is σ = 55630665164. Its totient is φ = 55630665162.

The previous prime is 55630665161. The next prime is 55630665169. The reversal of 55630665163 is 36156603655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55630665163 - 2¹ = 55630665161 is a prime.

It is a super-3 number, since 3×55630665163³ (a number of 33 digits) contains 333 as substring.

Together with 55630665161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55630665161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27815332581 + 27815332582.

It is an arithmetic number, because the mean of its divisors is an integer number (27815332582).

Almost surely, 2^55630665163 is an apocalyptic number.

55630665163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55630665163 is an equidigital number, since it uses as much as digits as its factorization.

55630665163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 55630665163 in words is "fifty-five billion, six hundred thirty million, six hundred sixty-five thousand, one hundred sixty-three".