550149318324 has 72 divisors (see below), whose sum is σ = 1459048281600. Its totient is φ = 174558196800.

The previous prime is 550149318283. The next prime is 550149318347. The reversal of 550149318324 is 423813941055.

550149318324 is a `hidden beast` number, since 5 + 5 + 0 + 1 + 4 + 9 + 318 + 324 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 550149318324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3972624 + ... + 4108775.

Almost surely, 2^550149318324 is an apocalyptic number.

It is an amenable number.

550149318324 is an abundant number, since it is smaller than the sum of its proper divisors (908898963276).

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

550149318324 is a wasteful number, since it uses less digits than its factorization.

550149318324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8081501 (or 8081496 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 550149318324 in words is "five hundred fifty billion, one hundred forty-nine million, three hundred eighteen thousand, three hundred twenty-four".