55996163 has 2 divisors, whose sum is σ = 55996164. Its totient is φ = 55996162.

The previous prime is 55996159. The next prime is 55996169. The reversal of 55996163 is 36169955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55996163 - 2² = 55996159 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55996169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27998081 + 27998082.

It is an arithmetic number, because the mean of its divisors is an integer number (27998082).

Almost surely, 2^55996163 is an apocalyptic number.

55996163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55996163 is an equidigital number, since it uses as much as digits as its factorization.

55996163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 218700, while the sum is 44.

The square root of 55996163 is about 7483.0583988099. The cubic root of 55996163 is about 382.5774983585.

The spelling of 55996163 in words is "fifty-five million, nine hundred ninety-six thousand, one hundred sixty-three".