550332000 has 144 divisors (see below), whose sum is σ = 1953256032. Its totient is φ = 146745600.

The previous prime is 550331993. The next prime is 550332011. The reversal of 550332000 is 233055.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28357 + ... + 43643.

It is an arithmetic number, because the mean of its divisors is an integer number (13564278).

Almost surely, 2^550332000 is an apocalyptic number.

550332000 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 550332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (976628016).

550332000 is an abundant number, since it is smaller than the sum of its proper divisors (1402924032).

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

550332000 is a wasteful number, since it uses less digits than its factorization.

550332000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15318 (or 15297 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 550332000 is about 23459.1559950481. The cubic root of 550332000 is about 819.4860948113.

Adding to 550332000 its reverse (233055), we get a palindrome (550565055).

The spelling of 550332000 in words is "five hundred fifty million, three hundred thirty-two thousand".