54847187 has 2 divisors, whose sum is σ = 54847188. Its totient is φ = 54847186.

The previous prime is 54847181. The next prime is 54847201. The reversal of 54847187 is 78174845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54847187 - 2⁴ = 54847171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54847181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27423593 + 27423594.

It is an arithmetic number, because the mean of its divisors is an integer number (27423594).

Almost surely, 2^54847187 is an apocalyptic number.

54847187 is a deficient number, since it is larger than the sum of its proper divisors (1).

54847187 is an equidigital number, since it uses as much as digits as its factorization.

54847187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 44.

The square root of 54847187 is about 7405.8886705108. Note that the first 3 decimals coincide. The cubic root of 54847187 is about 379.9427129708.

The spelling of 54847187 in words is "fifty-four million, eight hundred forty-seven thousand, one hundred eighty-seven".