54966187 has 2 divisors, whose sum is σ = 54966188. Its totient is φ = 54966186.

The previous prime is 54966179. The next prime is 54966203. The reversal of 54966187 is 78166945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54966187 - 2³ = 54966179 is a prime.

It is not a weakly prime, because it can be changed into another prime (54966157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27483093 + 27483094.

It is an arithmetic number, because the mean of its divisors is an integer number (27483094).

Almost surely, 2^54966187 is an apocalyptic number.

54966187 is a deficient number, since it is larger than the sum of its proper divisors (1).

54966187 is an equidigital number, since it uses as much as digits as its factorization.

54966187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 54966187 is about 7413.9184646177. The cubic root of 54966187 is about 380.2172972325.

The spelling of 54966187 in words is "fifty-four million, nine hundred sixty-six thousand, one hundred eighty-seven".