5500638 has 48 divisors (see below), whose sum is σ = 14008176. Its totient is φ = 1537920.

The previous prime is 5500637. The next prime is 5500643. The reversal of 5500638 is 8360055.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1506 + ... + 3642.

It is an arithmetic number, because the mean of its divisors is an integer number (291837).

Almost surely, 2^5500638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5500638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7004088).

5500638 is an abundant number, since it is smaller than the sum of its proper divisors (8507538).

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

5500638 is a wasteful number, since it uses less digits than its factorization.

5500638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5500638 is about 2345.3438980243. The cubic root of 5500638 is about 176.5242418425.

The spelling of 5500638 in words is "five million, five hundred thousand, six hundred thirty-eight".