549451798 has 24 divisors (see below), whose sum is σ = 1015136712. Its totient is φ = 221626944.

The previous prime is 549451769. The next prime is 549451811. The reversal of 549451798 is 897154945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163236 + ... + 166567.

It is an arithmetic number, because the mean of its divisors is an integer number (42297363).

Almost surely, 2^549451798 is an apocalyptic number.

549451798 is a deficient number, since it is larger than the sum of its proper divisors (465684914).

549451798 is a wasteful number, since it uses less digits than its factorization.

549451798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329836 (or 329829 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 52.

The square root of 549451798 is about 23440.3881793796. The cubic root of 549451798 is about 819.0489658308.

The spelling of 549451798 in words is "five hundred forty-nine million, four hundred fifty-one thousand, seven hundred ninety-eight".