550575298728 has 384 divisors, whose sum is σ = 1849425177600. Its totient is φ = 144090316800.

The previous prime is 550575298697. The next prime is 550575298739. The reversal of 550575298728 is 827892575055.

550575298728 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 7 + 529 + 87 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 680562388 + ... + 680563196.

It is an arithmetic number, because the mean of its divisors is an integer number (4816211400).

Almost surely, 2^550575298728 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 550575298728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924712588800).

550575298728 is an abundant number, since it is smaller than the sum of its proper divisors (1298849878872).

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

550575298728 is a wasteful number, since it uses less digits than its factorization.

550575298728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 70560000, while the sum is 63.

The spelling of 550575298728 in words is "five hundred fifty billion, five hundred seventy-five million, two hundred ninety-eight thousand, seven hundred twenty-eight".