550340532 has 72 divisors (see below), whose sum is σ = 1592852352. Its totient is φ = 156945600.

The previous prime is 550340521. The next prime is 550340533. The reversal of 550340532 is 235043055.

It is a junction number, because it is equal to n+sod(n) for n = 550340496 and 550340505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550340533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157282 + ... + 160742.

Almost surely, 2^550340532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550340532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796426176).

550340532 is an abundant number, since it is smaller than the sum of its proper divisors (1042511820).

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

550340532 is a wasteful number, since it uses less digits than its factorization.

550340532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109 (or 4104 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 550340532 is about 23459.3378423177. The cubic root of 550340532 is about 819.4903297211.

Adding to 550340532 its reverse (235043055), we get a palindrome (785383587).

The spelling of 550340532 in words is "five hundred fifty million, three hundred forty thousand, five hundred thirty-two".