55006006 has 8 divisors (see below), whose sum is σ = 90009864.
Its totient is φ = 25002720.
The previous prime is 55005991. The next prime is 55006037. The reversal of 55006006 is 60060055.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 2500273 = 55006006 / (5 + 5 + 0 + 0 + 6 + 0 + 0 + 6).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250115 + ... + 1250158.
It is an arithmetic number, because the mean of its divisors is an integer number (11251233).
Almost surely, 255006006 is an apocalyptic number.
55006006 is a deficient number, since it is larger than the sum of its proper divisors (35003858).
55006006 is a wasteful number, since it uses less digits than its factorization.
55006006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2500286.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 55006006 is about 7416.6034004792.
The cubic root of 55006006 is about 380.3090883193.
The spelling of 55006006 in words is "fifty-five million, six thousand, six".