211254055 has 8 divisors (see below), whose sum is σ = 259400592. Its totient is φ = 165072768.

The previous prime is 211254037. The next prime is 211254077. The reversal of 211254055 is 550452112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211254055 - 2⁵ = 211254023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 491074 + ... + 491503.

It is an arithmetic number, because the mean of its divisors is an integer number (32425074).

Almost surely, 2^211254055 is an apocalyptic number.

211254055 is a deficient number, since it is larger than the sum of its proper divisors (48146537).

211254055 is an equidigital number, since it uses as much as digits as its factorization.

211254055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982625.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 211254055 is about 14534.5813493200. The cubic root of 211254055 is about 595.5730232770.

The spelling of 211254055 in words is "two hundred eleven million, two hundred fifty-four thousand, fifty-five".