550324221345 has 48 divisors (see below), whose sum is σ = 955685952000. Its totient is φ = 292955717760.

The previous prime is 550324221329. The next prime is 550324221353. The reversal of 550324221345 is 543122423055.

550324221345 is a `hidden beast` number, since 5 + 50 + 3 + 242 + 21 + 345 = 666.

It is not a de Polignac number, because 550324221345 - 2⁴ = 550324221329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126538231 + ... + 126542579.

It is an arithmetic number, because the mean of its divisors is an integer number (19910124000).

Almost surely, 2^550324221345 is an apocalyptic number.

It is an amenable number.

550324221345 is a deficient number, since it is larger than the sum of its proper divisors (405361730655).

550324221345 is a wasteful number, since it uses less digits than its factorization.

550324221345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8990 (or 8987 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 550324221345 in words is "five hundred fifty billion, three hundred twenty-four million, two hundred twenty-one thousand, three hundred forty-five".