550045640345 has 16 divisors (see below), whose sum is σ = 680324313600. Its totient is φ = 426726686400.

The previous prime is 550045640293. The next prime is 550045640381. The reversal of 550045640345 is 543046540055.

It is a happy number.

It is not a de Polignac number, because 550045640345 - 2¹⁴ = 550045623961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12678545 + ... + 12721854.

It is an arithmetic number, because the mean of its divisors is an integer number (42520269600).

Almost surely, 2^550045640345 is an apocalyptic number.

It is an amenable number.

550045640345 is a deficient number, since it is larger than the sum of its proper divisors (130278673255).

550045640345 is a wasteful number, since it uses less digits than its factorization.

550045640345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25400536.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 550045640345 in words is "five hundred fifty billion, forty-five million, six hundred forty thousand, three hundred forty-five".