550561000605 has 64 divisors (see below), whose sum is σ = 1102438453248. Its totient is φ = 227934466560.

The previous prime is 550561000579. The next prime is 550561000609. The reversal of 550561000605 is 506000165055.

It is not a de Polignac number, because 550561000605 - 2⁶ = 550561000541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550561000609) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 602464 + ... + 1209993.

It is an arithmetic number, because the mean of its divisors is an integer number (17225600832).

Almost surely, 2^550561000605 is an apocalyptic number.

550561000605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550561000605 is an abundant number, since it is smaller than the sum of its proper divisors (551877452643).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550561000605 is a wasteful number, since it uses less digits than its factorization.

550561000605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812746.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 550561000605 in words is "five hundred fifty billion, five hundred sixty-one million, six hundred five", and thus it is an aban number.