550142000 has 80 divisors (see below), whose sum is σ = 1361392032. Its totient is φ = 214905600.

The previous prime is 550141997. The next prime is 550142039. The reversal of 550142000 is 241055.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 550142000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82802 + ... + 89198.

Almost surely, 2^550142000 is an apocalyptic number.

550142000 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 550142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680696016).

550142000 is an abundant number, since it is smaller than the sum of its proper divisors (811250032).

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

550142000 is a wasteful number, since it uses less digits than its factorization.

550142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 550142000 is about 23455.1060539065. The cubic root of 550142000 is about 819.3917758184.

Adding to 550142000 its reverse (241055), we get a palindrome (550383055).

The spelling of 550142000 in words is "five hundred fifty million, one hundred forty-two thousand".