550611340565 has 32 divisors (see below), whose sum is σ = 777026065536. Its totient is φ = 369269948160.

The previous prime is 550611340549. The next prime is 550611340663. The reversal of 550611340565 is 565043116055.

It is not a de Polignac number, because 550611340565 - 2⁴ = 550611340549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326654 + ... + 1099056.

It is an arithmetic number, because the mean of its divisors is an integer number (24282064548).

Almost surely, 2^550611340565 is an apocalyptic number.

550611340565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550611340565 is a deficient number, since it is larger than the sum of its proper divisors (226414724971).

550611340565 is a wasteful number, since it uses less digits than its factorization.

550611340565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773429.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 550611340565 in words is "five hundred fifty billion, six hundred eleven million, three hundred forty thousand, five hundred sixty-five".