5055550566 has 32 divisors (see below), whose sum is σ = 11144020608. Its totient is φ = 1516189440.

The previous prime is 5055550543. The next prime is 5055550579. The reversal of 5055550566 is 6650555505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388440 + ... + 401243.

It is an arithmetic number, because the mean of its divisors is an integer number (348250644).

Almost surely, 2^5055550566 is an apocalyptic number.

5055550566 is an abundant number, since it is smaller than the sum of its proper divisors (6088470042).

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

5055550566 is a wasteful number, since it uses less digits than its factorization.

5055550566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789796.

The product of its (nonzero) digits is 562500, while the sum is 42.

The square root of 5055550566 is about 71102.3949385673. The cubic root of 5055550566 is about 1716.2853135658.

The spelling of 5055550566 in words is "five billion, fifty-five million, five hundred fifty thousand, five hundred sixty-six".