55306006 has 16 divisors (see below), whose sum is σ = 96746400. Its totient is φ = 23702280.

The previous prime is 55306003. The next prime is 55306033. The reversal of 55306006 is 60060355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55306003) 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, 39625 + ... + 40996.

It is an arithmetic number, because the mean of its divisors is an integer number (6046650).

Almost surely, 2^55306006 is an apocalyptic number.

55306006 is a deficient number, since it is larger than the sum of its proper divisors (41440394).

55306006 is an equidigital number, since it uses as much as digits as its factorization.

55306006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80644 (or 80630 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 55306006 is about 7436.8007906626. The cubic root of 55306006 is about 380.9992307376. Note that the first 3 decimals are identical.

The spelling of 55306006 in words is "fifty-five million, three hundred six thousand, six".