550658611020 has 192 divisors, whose sum is σ = 1877844197376. Its totient is φ = 117830803200.

The previous prime is 550658610979. The next prime is 550658611057. The reversal of 550658611020 is 20116856055.

It is a self number, because there is not a number n which added to its sum of digits gives 550658611020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152406 + ... + 1060445.

It is an arithmetic number, because the mean of its divisors is an integer number (9780438528).

Almost surely, 2^550658611020 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 550658611020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938922098688).

550658611020 is an abundant number, since it is smaller than the sum of its proper divisors (1327185586356).

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

550658611020 is a wasteful number, since it uses less digits than its factorization.

550658611020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212940 (or 1212938 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 550658611020 in words is "five hundred fifty billion, six hundred fifty-eight million, six hundred eleven thousand, twenty".