210055849 has 12 divisors (see below), whose sum is σ = 231154000. Its totient is φ = 190338984.

The previous prime is 210055829. The next prime is 210055889. The reversal of 210055849 is 948550012.

It is not a de Polignac number, because 210055849 - 2¹¹ = 210053801 is a prime.

It is a super-2 number, since 2×210055849² = 88246919398221602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210055829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399 + ... + 20500.

Almost surely, 2^210055849 is an apocalyptic number.

It is an amenable number.

210055849 is a deficient number, since it is larger than the sum of its proper divisors (21098151).

210055849 is a wasteful number, since it uses less digits than its factorization.

210055849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20964 (or 20941 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 210055849 is about 14493.3035916591. The cubic root of 210055849 is about 594.4448830022. Note that the first 3 decimals are identical.

The spelling of 210055849 in words is "two hundred ten million, fifty-five thousand, eight hundred forty-nine".