10555806 has 32 divisors (see below), whose sum is σ = 21712896. Its totient is φ = 3420000.

The previous prime is 10555771. The next prime is 10555817. The reversal of 10555806 is 60855501.

It is a happy number.

It is a super-2 number, since 2×10555806² = 222850080619272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 55171 + ... + 55361.

It is an arithmetic number, because the mean of its divisors is an integer number (678528).

Almost surely, 2^10555806 is an apocalyptic number.

10555806 is an abundant number, since it is smaller than the sum of its proper divisors (11157090).

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

10555806 is a wasteful number, since it uses less digits than its factorization.

10555806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 10555806 is about 3248.9699906278. The cubic root of 10555806 is about 219.3632137076.

The spelling of 10555806 in words is "ten million, five hundred fifty-five thousand, eight hundred six".