549727646 has 32 divisors (see below), whose sum is σ = 975421440. Its totient is φ = 229911264.

The previous prime is 549727639. The next prime is 549727667. The reversal of 549727646 is 646727945.

It is a junction number, because it is equal to n+sod(n) for n = 549727594 and 549727603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12830 + ... + 35553.

It is an arithmetic number, because the mean of its divisors is an integer number (30481920).

Almost surely, 2^549727646 is an apocalyptic number.

549727646 is a deficient number, since it is larger than the sum of its proper divisors (425693794).

549727646 is a wasteful number, since it uses less digits than its factorization.

549727646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48440.

The product of its digits is 2540160, while the sum is 50.

The square root of 549727646 is about 23446.2714733068. The cubic root of 549727646 is about 819.1860086197.

The spelling of 549727646 in words is "five hundred forty-nine million, seven hundred twenty-seven thousand, six hundred forty-six".