5555206646 has 32 divisors (see below), whose sum is σ = 9232289280. Its totient is φ = 2485948000.

The previous prime is 5555206597. The next prime is 5555206651. The reversal of 5555206646 is 6466025555.

It is a junction number, because it is equal to n+sod(n) for n = 5555206597 and 5555206606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390755 + ... + 404721.

It is an arithmetic number, because the mean of its divisors is an integer number (288509040).

Almost surely, 2^5555206646 is an apocalyptic number.

5555206646 is a deficient number, since it is larger than the sum of its proper divisors (3677082634).

5555206646 is a wasteful number, since it uses less digits than its factorization.

5555206646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14260.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The square root of 5555206646 is about 74533.2586567903. The cubic root of 5555206646 is about 1771.0605373552.

The spelling of 5555206646 in words is "five billion, five hundred fifty-five million, two hundred six thousand, six hundred forty-six".