550809072 has 220 divisors, whose sum is σ = 1779254424. Its totient is φ = 163762560.

The previous prime is 550809071. The next prime is 550809079. The reversal of 550809072 is 270908055.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550809071) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 10392598 + ... + 10392650.

Almost surely, 2^550809072 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 550809072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889627212).

550809072 is an abundant number, since it is smaller than the sum of its proper divisors (1228445352).

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

550809072 is an equidigital number, since it uses as much as digits as its factorization.

550809072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 550809072 is about 23469.3219331109. The cubic root of 550809072 is about 819.7228252180.

The spelling of 550809072 in words is "five hundred fifty million, eight hundred nine thousand, seventy-two".