550322154000 has 640 divisors, whose sum is σ = 2083023820800. Its totient is φ = 138658867200.

The previous prime is 550322153977. The next prime is 550322154073. The reversal of 550322154000 is 451223055.

It is a happy number.

550322154000 is a `hidden beast` number, since 5 + 503 + 2 + 2 + 154 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 73598262 + ... + 73605738.

It is an arithmetic number, because the mean of its divisors is an integer number (3254724720).

Almost surely, 2^550322154000 is an apocalyptic number.

550322154000 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 550322154000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041511910400).

550322154000 is an abundant number, since it is smaller than the sum of its proper divisors (1532701666800).

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

550322154000 is a wasteful number, since it uses less digits than its factorization.

550322154000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7585 (or 7563 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 550322154000 its reverse (451223055), we get a palindrome (550773377055).

The spelling of 550322154000 in words is "five hundred fifty billion, three hundred twenty-two million, one hundred fifty-four thousand".