200054171 has 12 divisors (see below), whose sum is σ = 205448880. Its totient is φ = 194794080.

The previous prime is 200054167. The next prime is 200054201. The reversal of 200054171 is 171450002.

It is not a de Polignac number, because 200054171 - 2² = 200054167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200054471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643106 + ... + 643416.

It is an arithmetic number, because the mean of its divisors is an integer number (17120740).

Almost surely, 2^200054171 is an apocalyptic number.

200054171 is a deficient number, since it is larger than the sum of its proper divisors (5394709).

200054171 is an equidigital number, since it uses as much as digits as its factorization.

200054171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 200054171 is about 14144.0507281330. The cubic root of 200054171 is about 584.8563418646.

The spelling of 200054171 in words is "two hundred million, fifty-four thousand, one hundred seventy-one".