5544556646 has 16 divisors (see below), whose sum is σ = 8636544000. Its totient is φ = 2666780040.

The previous prime is 5544556609. The next prime is 5544556657. The reversal of 5544556646 is 6466554455.

It is a junction number, because it is equal to n+sod(n) for n = 5544556594 and 5544556603.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 257396 + ... + 278103.

It is an arithmetic number, because the mean of its divisors is an integer number (539784000).

Almost surely, 2^5544556646 is an apocalyptic number.

5544556646 is a deficient number, since it is larger than the sum of its proper divisors (3091987354).

5544556646 is a wasteful number, since it uses less digits than its factorization.

5544556646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535699.

The product of its digits is 8640000, while the sum is 50.

The square root of 5544556646 is about 74461.7797665353. The cubic root of 5544556646 is about 1769.9280345686.

The spelling of 5544556646 in words is "five billion, five hundred forty-four million, five hundred fifty-six thousand, six hundred forty-six".