550830816 has 144 divisors (see below), whose sum is σ = 1635379200. Its totient is φ = 175668480.

The previous prime is 550830781. The next prime is 550830823. The reversal of 550830816 is 618038055.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919285 + ... + 919883.

It is an arithmetic number, because the mean of its divisors is an integer number (11356800).

Almost surely, 2^550830816 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 550830816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817689600).

550830816 is an abundant number, since it is smaller than the sum of its proper divisors (1084548384).

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

550830816 is a wasteful number, since it uses less digits than its factorization.

550830816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 550830816 is about 23469.7851715775. The cubic root of 550830816 is about 819.7336116650.

The spelling of 550830816 in words is "five hundred fifty million, eight hundred thirty thousand, eight hundred sixteen".