55403206 has 8 divisors (see below), whose sum is σ = 83462184. Its totient is φ = 27582480.

The previous prime is 55403197. The next prime is 55403207. The reversal of 55403206 is 60230455.

55403206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55403207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58980 + ... + 59911.

It is an arithmetic number, because the mean of its divisors is an integer number (10432773).

Almost surely, 2^55403206 is an apocalyptic number.

55403206 is a deficient number, since it is larger than the sum of its proper divisors (28058978).

55403206 is a wasteful number, since it uses less digits than its factorization.

55403206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119126.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55403206 is about 7443.3329899985. The cubic root of 55403206 is about 381.2223014545. Note that the first 3 decimals are identical.

The spelling of 55403206 in words is "fifty-five million, four hundred three thousand, two hundred six".