549154916 has 12 divisors (see below), whose sum is σ = 962005632. Its totient is φ = 274296168.

The previous prime is 549154873. The next prime is 549154939. The reversal of 549154916 is 619451945.

It is a super-2 number, since 2×549154916² = 603142243533934112, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 65900 + ... + 73763.

It is an arithmetic number, because the mean of its divisors is an integer number (80167136).

Almost surely, 2^549154916 is an apocalyptic number.

It is an amenable number.

549154916 is a deficient number, since it is larger than the sum of its proper divisors (412850716).

549154916 is a wasteful number, since it uses less digits than its factorization.

549154916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140650 (or 140648 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The square root of 549154916 is about 23434.0546214265. The cubic root of 549154916 is about 818.9014219793.

The spelling of 549154916 in words is "five hundred forty-nine million, one hundred fifty-four thousand, nine hundred sixteen".