550542720 has 512 divisors, whose sum is σ = 2270177280. Its totient is φ = 110297088.

The previous prime is 550542719. The next prime is 550542761. The reversal of 550542720 is 27245055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4018492 + ... + 4018628.

It is an arithmetic number, because the mean of its divisors is an integer number (4433940).

Almost surely, 2^550542720 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 550542720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135088640).

550542720 is an abundant number, since it is smaller than the sum of its proper divisors (1719634560).

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

550542720 is a wasteful number, since it uses less digits than its factorization.

550542720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 550542720 is about 23463.6467753843. The cubic root of 550542720 is about 819.5906741530.

Adding to 550542720 its reverse (27245055), we get a palindrome (577787775).

The spelling of 550542720 in words is "five hundred fifty million, five hundred forty-two thousand, seven hundred twenty".