549102 has 24 divisors (see below), whose sum is σ = 1154664. Its totient is φ = 174064.

The previous prime is 549097. The next prime is 549121. The reversal of 549102 is 201945.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549102.

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, 3088 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (48111).

2⁵⁴⁹¹⁰² is an apocalyptic number.

549102 is an abundant number, since it is smaller than the sum of its proper divisors (605562).

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

549102 is a wasteful number, since it uses less digits than its factorization.

549102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 549102 is about 741.0141699050. The cubic root of 549102 is about 81.8875118303.

Subtracting from 549102 its sum of digits (21), we obtain a square (549081 = 741²).

The spelling of 549102 in words is "five hundred forty-nine thousand, one hundred two".