549774 has 16 divisors (see below), whose sum is σ = 1221840. Its totient is φ = 183240.

The previous prime is 549767. The next prime is 549817. The reversal of 549774 is 477945.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

549774 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5037 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (76365).

2⁵⁴⁹⁷⁷⁴ is an apocalyptic number.

549774 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

549774 is an abundant number, since it is smaller than the sum of its proper divisors (672066).

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

549774 is a wasteful number, since it uses less digits than its factorization.

549774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192 (or 10186 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 549774 is about 741.4674638850. The cubic root of 549774 is about 81.9209033040.

The spelling of 549774 in words is "five hundred forty-nine thousand, seven hundred seventy-four".