55671163 has 2 divisors, whose sum is σ = 55671164. Its totient is φ = 55671162.

The previous prime is 55671151. The next prime is 55671167. The reversal of 55671163 is 36117655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55671163 - 2²¹ = 53574011 is a prime.

It is not a weakly prime, because it can be changed into another prime (55671167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27835581 + 27835582.

It is an arithmetic number, because the mean of its divisors is an integer number (27835582).

Almost surely, 2^55671163 is an apocalyptic number.

55671163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55671163 is an equidigital number, since it uses as much as digits as its factorization.

55671163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 34.

The square root of 55671163 is about 7461.3110778200. The cubic root of 55671163 is about 381.8359057824.

The spelling of 55671163 in words is "fifty-five million, six hundred seventy-one thousand, one hundred sixty-three".