55066206 has 32 divisors (see below), whose sum is σ = 118893600. Its totient is φ = 16902144.

The previous prime is 55066189. The next prime is 55066211. The reversal of 55066206 is 60266055.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51970 + ... + 53018.

It is an arithmetic number, because the mean of its divisors is an integer number (3715425).

Almost surely, 2^55066206 is an apocalyptic number.

55066206 is an abundant number, since it is smaller than the sum of its proper divisors (63827394).

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

55066206 is a wasteful number, since it uses less digits than its factorization.

55066206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55066206 is about 7420.6607522511. The cubic root of 55066206 is about 380.4477777807.

The spelling of 55066206 in words is "fifty-five million, sixty-six thousand, two hundred six".