55562206 has 8 divisors (see below), whose sum is σ = 95249520. Its totient is φ = 23812368.

The previous prime is 55562189. The next prime is 55562233. The reversal of 55562206 is 60226555.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984351 + ... + 1984378.

It is an arithmetic number, because the mean of its divisors is an integer number (11906190).

Almost surely, 2^55562206 is an apocalyptic number.

55562206 is a deficient number, since it is larger than the sum of its proper divisors (39687314).

55562206 is a wasteful number, since it uses less digits than its factorization.

55562206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968738.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 55562206 is about 7454.0060370247. The cubic root of 55562206 is about 381.5866392939.

The spelling of 55562206 in words is "fifty-five million, five hundred sixty-two thousand, two hundred six".