5555672806 has 4 divisors (see below), whose sum is σ = 8333509212. Its totient is φ = 2777836402.

The previous prime is 5555672797. The next prime is 5555672809. The reversal of 5555672806 is 6082765555.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5555672806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555672809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388918200 + ... + 1388918203.

It is an arithmetic number, because the mean of its divisors is an integer number (2083377303).

Almost surely, 2^5555672806 is an apocalyptic number.

5555672806 is a deficient number, since it is larger than the sum of its proper divisors (2777836406).

5555672806 is a wasteful number, since it uses less digits than its factorization.

5555672806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777836405.

The product of its (nonzero) digits is 2520000, while the sum is 49.

The square root of 5555672806 is about 74536.3857857355. The cubic root of 5555672806 is about 1771.1100749357.

The spelling of 5555672806 in words is "five billion, five hundred fifty-five million, six hundred seventy-two thousand, eight hundred six".