549991682 has 8 divisors (see below), whose sum is σ = 827641152. Its totient is φ = 274111300.

The previous prime is 549991639. The next prime is 549991693. The reversal of 549991682 is 286199945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441494 + ... + 442737.

It is an arithmetic number, because the mean of its divisors is an integer number (103455144).

Almost surely, 2^549991682 is an apocalyptic number.

549991682 is a deficient number, since it is larger than the sum of its proper divisors (277649470).

549991682 is a wasteful number, since it uses less digits than its factorization.

549991682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884544.

The product of its digits is 1399680, while the sum is 53.

The square root of 549991682 is about 23451.9014580908. The cubic root of 549991682 is about 819.3171402075.

The spelling of 549991682 in words is "five hundred forty-nine million, nine hundred ninety-one thousand, six hundred eighty-two".