550272528 has 280 divisors, whose sum is σ = 1821550080. Its totient is φ = 159563520.

The previous prime is 550272517. The next prime is 550272563. The reversal of 550272528 is 825272055.

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

It is a junction number, because it is equal to n+sod(n) for n = 550272492 and 550272501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2880913 + ... + 2881103.

It is an arithmetic number, because the mean of its divisors is an integer number (6505536).

Almost surely, 2^550272528 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 550272528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910775040).

550272528 is an abundant number, since it is smaller than the sum of its proper divisors (1271277552).

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

550272528 is a wasteful number, since it uses less digits than its factorization.

550272528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 550272528 is about 23457.8883960172. Note that the first 3 decimals coincide. The cubic root of 550272528 is about 819.4565743081.

The spelling of 550272528 in words is "five hundred fifty million, two hundred seventy-two thousand, five hundred twenty-eight".