550650051644 has 36 divisors (see below), whose sum is σ = 1222872197400. Its totient is φ = 214538980320.

The previous prime is 550650051641. The next prime is 550650051649. The reversal of 550650051644 is 446150056055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550650051641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127699619 + ... + 127703930.

It is an arithmetic number, because the mean of its divisors is an integer number (33968672150).

Almost surely, 2^550650051644 is an apocalyptic number.

It is an amenable number.

550650051644 is an abundant number, since it is smaller than the sum of its proper divisors (672222145756).

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

550650051644 is a wasteful number, since it uses less digits than its factorization.

550650051644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255403578 (or 255403569 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 550650051644 in words is "five hundred fifty billion, six hundred fifty million, fifty-one thousand, six hundred forty-four".