5055666 has 64 divisors (see below), whose sum is σ = 13049856. Its totient is φ = 1267200.

The previous prime is 5055641. The next prime is 5055667. The reversal of 5055666 is 6665505.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5055667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14146 + ... + 14498.

It is an arithmetic number, because the mean of its divisors is an integer number (203904).

Almost surely, 2^5055666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5055666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6524928).

5055666 is an abundant number, since it is smaller than the sum of its proper divisors (7994190).

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

5055666 is a wasteful number, since it uses less digits than its factorization.

5055666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 5055666 is about 2248.4808204652. The cubic root of 5055666 is about 171.6298376183.

The spelling of 5055666 in words is "five million, fifty-five thousand, six hundred sixty-six".