550498385376 has 384 divisors, whose sum is σ = 1704447360000. Its totient is φ = 172560181248.

The previous prime is 550498385369. The next prime is 550498385387. The reversal of 550498385376 is 673583894055.

550498385376 is a `hidden beast` number, since 5 + 5 + 0 + 4 + 98 + 3 + 8 + 537 + 6 = 666.

It is a super-2 number, since 2×550498385376² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 645366966 + ... + 645367818.

It is an arithmetic number, because the mean of its divisors is an integer number (4438665000).

Almost surely, 2^550498385376 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 550498385376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852223680000).

550498385376 is an abundant number, since it is smaller than the sum of its proper divisors (1153948974624).

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

550498385376 is a wasteful number, since it uses less digits than its factorization.

550498385376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 550498385376 in words is "five hundred fifty billion, four hundred ninety-eight million, three hundred eighty-five thousand, three hundred seventy-six".