549554 has 4 divisors (see below), whose sum is σ = 824334. Its totient is φ = 274776.

The previous prime is 549553. The next prime is 549569. The reversal of 549554 is 455945.

549554 = 427² + 428² + 429².

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 528529 + 21025 = 727^2 + 145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 549554.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549554.

It is not an unprimeable number, because it can be changed into a prime (549551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137387 + ... + 137390.

2⁵⁴⁹⁵⁵⁴ is an apocalyptic number.

549554 is a deficient number, since it is larger than the sum of its proper divisors (274780).

549554 is a wasteful number, since it uses less digits than its factorization.

549554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274779.

The product of its digits is 18000, while the sum is 32.

The square root of 549554 is about 741.3190945875. The cubic root of 549554 is about 81.9099745689.

The spelling of 549554 in words is "five hundred forty-nine thousand, five hundred fifty-four".