55000606 has 4 divisors (see below), whose sum is σ = 82500912. Its totient is φ = 27500302.

The previous prime is 55000597. The next prime is 55000607. The reversal of 55000606 is 60600055.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) 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 not an unprimeable number, because it can be changed into a prime (55000607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750150 + ... + 13750153.

It is an arithmetic number, because the mean of its divisors is an integer number (20625228).

Almost surely, 2^55000606 is an apocalyptic number.

55000606 is a deficient number, since it is larger than the sum of its proper divisors (27500306).

55000606 is a wasteful number, since it uses less digits than its factorization.

55000606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27500305.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 55000606 is about 7416.2393434948. The cubic root of 55000606 is about 380.2966427917.

The spelling of 55000606 in words is "fifty-five million, six hundred six", and thus it is an aban number.