55210206 has 16 divisors (see below), whose sum is σ = 112504464. Its totient is φ = 18056064.

The previous prime is 55210201. The next prime is 55210213. The reversal of 55210206 is 60201255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86491 + ... + 87126.

It is an arithmetic number, because the mean of its divisors is an integer number (7031529).

Almost surely, 2^55210206 is an apocalyptic number.

55210206 is an abundant number, since it is smaller than the sum of its proper divisors (57294258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55210206 is a wasteful number, since it uses less digits than its factorization.

55210206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173675.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55210206 is about 7430.3570573695. The cubic root of 55210206 is about 380.7791170830.

The spelling of 55210206 in words is "fifty-five million, two hundred ten thousand, two hundred six".