550966045500 has 288 divisors, whose sum is σ = 1885309433280. Its totient is φ = 134644723200.

The previous prime is 550966045451. The next prime is 550966045501. The reversal of 550966045500 is 5540669055.

550966045500 is a `hidden beast` number, since 5 + 5 + 0 + 96 + 6 + 0 + 4 + 550 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550966045501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8097622 + ... + 8165378.

It is an arithmetic number, because the mean of its divisors is an integer number (6546213310).

Almost surely, 2^550966045500 is an apocalyptic number.

550966045500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550966045500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942654716640).

550966045500 is an abundant number, since it is smaller than the sum of its proper divisors (1334343387780).

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

550966045500 is a wasteful number, since it uses less digits than its factorization.

550966045500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67934 (or 67919 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 550966045500 in words is "five hundred fifty billion, nine hundred sixty-six million, forty-five thousand, five hundred".