550566501650 has 24 divisors (see below), whose sum is σ = 1117149484464. Its totient is φ = 200206000400.

The previous prime is 550566501613. The next prime is 550566501659. The reversal of 550566501650 is 56105665055.

It is not an unprimeable number, because it can be changed into a prime (550566501659) 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, 500514452 + ... + 500515551.

It is an arithmetic number, because the mean of its divisors is an integer number (46547895186).

Almost surely, 2^550566501650 is an apocalyptic number.

550566501650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550566501650 is an abundant number, since it is smaller than the sum of its proper divisors (566582982814).

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

550566501650 is a wasteful number, since it uses less digits than its factorization.

550566501650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001030026 (or 1001030021 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 550566501650 in words is "five hundred fifty billion, five hundred sixty-six million, five hundred one thousand, six hundred fifty".