555226566 has 8 divisors (see below), whose sum is σ = 1110453144. Its totient is φ = 185075520.

The previous prime is 555226561. The next prime is 555226571. The reversal of 555226566 is 665622555.

It is an interprime number because it is at equal distance from previous prime (555226561) and next prime (555226571).

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

555226566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555226561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46268875 + ... + 46268886.

It is an arithmetic number, because the mean of its divisors is an integer number (138806643).

Almost surely, 2^555226566 is an apocalyptic number.

555226566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555226566 is a wasteful number, since it uses less digits than its factorization.

555226566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92537766.

The product of its digits is 540000, while the sum is 42.

The square root of 555226566 is about 23563.2460836787. The cubic root of 555226566 is about 821.9083877987.

The spelling of 555226566 in words is "five hundred fifty-five million, two hundred twenty-six thousand, five hundred sixty-six".