55055266 has 16 divisors (see below), whose sum is σ = 94481280. Its totient is φ = 23569920.

The previous prime is 55055263. The next prime is 55055267. The reversal of 55055266 is 66255055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55055263) 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, 18331 + ... + 21121.

It is an arithmetic number, because the mean of its divisors is an integer number (5905080).

Almost surely, 2^55055266 is an apocalyptic number.

55055266 is a deficient number, since it is larger than the sum of its proper divisors (39426014).

55055266 is a wasteful number, since it uses less digits than its factorization.

55055266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 55055266 is about 7419.9235845122. The cubic root of 55055266 is about 380.4225815993.

The spelling of 55055266 in words is "fifty-five million, fifty-five thousand, two hundred sixty-six".