551586066 has 16 divisors (see below), whose sum is σ = 1105039584. Its totient is φ = 183550784.

The previous prime is 551586053. The next prime is 551586067. The reversal of 551586066 is 660685155.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (551586067) 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, 73956 + ... + 81071.

It is an arithmetic number, because the mean of its divisors is an integer number (69064974).

Almost surely, 2^551586066 is an apocalyptic number.

551586066 is an abundant number, since it is smaller than the sum of its proper divisors (553453518).

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

551586066 is a wasteful number, since it uses less digits than its factorization.

551586066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155625.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 551586066 is about 23485.8694963589. The cubic root of 551586066 is about 820.1080890630.

The spelling of 551586066 in words is "five hundred fifty-one million, five hundred eighty-six thousand, sixty-six".