550434000 has 160 divisors (see below), whose sum is σ = 1787385600. Its totient is φ = 145728000.

The previous prime is 550433981. The next prime is 550434019. The reversal of 550434000 is 434055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (550433981) and next prime (550434019).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1193770 + ... + 1194230.

It is an arithmetic number, because the mean of its divisors is an integer number (11171160).

Almost surely, 2^550434000 is an apocalyptic number.

550434000 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 550434000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893692800).

550434000 is an abundant number, since it is smaller than the sum of its proper divisors (1236951600).

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

550434000 is a wasteful number, since it uses less digits than its factorization.

550434000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 550434000 is about 23461.3298855798. The cubic root of 550434000 is about 819.5367202629.

Adding to 550434000 its reverse (434055), we get a palindrome (550868055).

Subtracting from 550434000 its reverse (434055), we obtain a palindrome (549999945).

The spelling of 550434000 in words is "five hundred fifty million, four hundred thirty-four thousand".