55022006 has 12 divisors (see below), whose sum is σ = 89370612. Its totient is φ = 25394616.

The previous prime is 55021973. The next prime is 55022027. The reversal of 55022006 is 60022055.

It is a happy number.

It is a super-2 number, since 2×55022006² = 6054842288528072, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 81056 + ... + 81731.

It is an arithmetic number, because the mean of its divisors is an integer number (7447551).

Almost surely, 2^55022006 is an apocalyptic number.

55022006 is a deficient number, since it is larger than the sum of its proper divisors (34348606).

55022006 is a wasteful number, since it uses less digits than its factorization.

55022006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162815 (or 162802 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55022006 is about 7417.6819829378. The cubic root of 55022006 is about 380.3459591749.

The spelling of 55022006 in words is "fifty-five million, twenty-two thousand, six".