550000548 has 18 divisors (see below), whose sum is σ = 1390279254. Its totient is φ = 183333504.

The previous prime is 550000547. The next prime is 550000559. The reversal of 550000548 is 845000055.

It can be written as a sum of positive squares in only one way, i.e., 549808704 + 191844 = 23448^2 + 438^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (550000547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7638861 + ... + 7638932.

Almost surely, 2^550000548 is an apocalyptic number.

It is an amenable number.

550000548 is an abundant number, since it is smaller than the sum of its proper divisors (840278706).

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

550000548 is a wasteful number, since it uses less digits than its factorization.

550000548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15277803 (or 15277798 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 550000548 is about 23452.0904825135. The cubic root of 550000548 is about 819.3215427145.

The spelling of 550000548 in words is "five hundred fifty million, five hundred forty-eight", and thus it is an aban number.