550731942306 has 432 divisors, whose sum is σ = 1559546823744. Its totient is φ = 139209840000.

The previous prime is 550731942289. The next prime is 550731942329. The reversal of 550731942306 is 603249137055.

550731942306 is a `hidden beast` number, since 5 + 507 + 31 + 94 + 23 + 0 + 6 = 666.

It is a super-2 number, since 2×550731942306² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1663842561 + ... + 1663842891.

It is an arithmetic number, because the mean of its divisors is an integer number (3610062092).

Almost surely, 2^550731942306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550731942306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779773411872).

550731942306 is an abundant number, since it is smaller than the sum of its proper divisors (1008814881438).

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

550731942306 is a wasteful number, since it uses less digits than its factorization.

550731942306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 550731942306 in words is "five hundred fifty billion, seven hundred thirty-one million, nine hundred forty-two thousand, three hundred six".