550606551545 has 8 divisors (see below), whose sum is σ = 660855767424. Its totient is φ = 440399970864.

The previous prime is 550606551499. The next prime is 550606551559. The reversal of 550606551545 is 545155606055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550606551545 - 2⁸ = 550606551289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550606551545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10630379 + ... + 10682048.

It is an arithmetic number, because the mean of its divisors is an integer number (82606970928).

Almost surely, 2^550606551545 is an apocalyptic number.

It is an amenable number.

550606551545 is a deficient number, since it is larger than the sum of its proper divisors (110249215879).

550606551545 is a wasteful number, since it uses less digits than its factorization.

550606551545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21317599.

The product of its (nonzero) digits is 2250000, while the sum is 47.

The spelling of 550606551545 in words is "five hundred fifty billion, six hundred six million, five hundred fifty-one thousand, five hundred forty-five".