55197206 has 8 divisors (see below), whose sum is σ = 82827360. Its totient is φ = 27588088.

The previous prime is 55197203. The next prime is 55197209. The reversal of 55197206 is 60279155.

55197206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55197203) and next prime (55197209).

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 (55197203) 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, 7340 + ... + 12816.

It is an arithmetic number, because the mean of its divisors is an integer number (10353420).

Almost surely, 2^55197206 is an apocalyptic number.

55197206 is a deficient number, since it is larger than the sum of its proper divisors (27630154).

55197206 is a wasteful number, since it uses less digits than its factorization.

55197206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10518.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 55197206 is about 7429.4822161440. The cubic root of 55197206 is about 380.7492281823.

The spelling of 55197206 in words is "fifty-five million, one hundred ninety-seven thousand, two hundred six".