550013240 has 144 divisors (see below), whose sum is σ = 1530812520. Its totient is φ = 177300480.

The previous prime is 550013227. The next prime is 550013263. The reversal of 550013240 is 42310055.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 565955 + ... + 566925.

Almost surely, 2^550013240 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 550013240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765406260).

550013240 is an abundant number, since it is smaller than the sum of its proper divisors (980799280).

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

550013240 is a wasteful number, since it uses less digits than its factorization.

550013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 550013240 is about 23452.3610751668. The cubic root of 550013240 is about 819.3278449804.

Adding to 550013240 its reverse (42310055), we get a palindrome (592323295).

The spelling of 550013240 in words is "five hundred fifty million, thirteen thousand, two hundred forty".