550245112564321 has 32 divisors (see below), whose sum is σ = 564447082825728. Its totient is φ = 536251008363840.

The previous prime is 550245112564307. The next prime is 550245112564351. The reversal of 550245112564321 is 123465211542055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 550245112564321 - 2²⁹ = 550244575693409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550245112564351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16833743640 + ... + 16833776326.

It is an arithmetic number, because the mean of its divisors is an integer number (17638971338304).

Almost surely, 2^{550245112564321} is an apocalyptic number.

It is an amenable number.

550245112564321 is a deficient number, since it is larger than the sum of its proper divisors (14201970261407).

550245112564321 is a wasteful number, since it uses less digits than its factorization.

550245112564321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40021.

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 550245112564321 in words is "five hundred fifty trillion, two hundred forty-five billion, one hundred twelve million, five hundred sixty-four thousand, three hundred twenty-one".