549744664 has 32 divisors (see below), whose sum is σ = 1183968000. Its totient is φ = 234416160.

The previous prime is 549744659. The next prime is 549744683. The reversal of 549744664 is 466447945.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13522 + ... + 35809.

It is an arithmetic number, because the mean of its divisors is an integer number (36999000).

Almost surely, 2^549744664 is an apocalyptic number.

It is an amenable number.

549744664 is an abundant number, since it is smaller than the sum of its proper divisors (634223336).

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

549744664 is a wasteful number, since it uses less digits than its factorization.

549744664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49543 (or 49539 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The square root of 549744664 is about 23446.6343853441. The cubic root of 549744664 is about 819.1944617533.

The spelling of 549744664 in words is "five hundred forty-nine million, seven hundred forty-four thousand, six hundred sixty-four".