550548000 has 288 divisors, whose sum is σ = 2006916912. Its totient is φ = 142848000.

The previous prime is 550547999. The next prime is 550548001. The reversal of 550548000 is 845055.

It is an interprime number because it is at equal distance from previous prime (550547999) and next prime (550548001).

It can be written as a sum of positive squares in 8 ways, for example, as 3549456 + 546998544 = 1884^2 + 23388^2 .

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550548001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1475814 + ... + 1476186.

Almost surely, 2^550548000 is an apocalyptic number.

550548000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550548000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003458456).

550548000 is an abundant number, since it is smaller than the sum of its proper divisors (1456368912).

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

550548000 is a wasteful number, since it uses less digits than its factorization.

550548000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 424 counting only the distinct ones).

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

The square root of 550548000 is about 23463.7592895938. The cubic root of 550548000 is about 819.5932942493.

The spelling of 550548000 in words is "five hundred fifty million, five hundred forty-eight thousand".