550909186365 has 32 divisors (see below), whose sum is σ = 940915353600. Its totient is φ = 274433624640.

The previous prime is 550909186361. The next prime is 550909186367. The reversal of 550909186365 is 563681909055.

It is a happy number.

It is not a de Polignac number, because 550909186365 - 2² = 550909186361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550909186361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13592545 + ... + 13633014.

It is an arithmetic number, because the mean of its divisors is an integer number (29403604800).

Almost surely, 2^550909186365 is an apocalyptic number.

It is an amenable number.

550909186365 is a deficient number, since it is larger than the sum of its proper divisors (390006167235).

550909186365 is a wasteful number, since it uses less digits than its factorization.

550909186365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27225657.

The product of its (nonzero) digits is 8748000, while the sum is 57.

The spelling of 550909186365 in words is "five hundred fifty billion, nine hundred nine million, one hundred eighty-six thousand, three hundred sixty-five".