5501538 has 48 divisors (see below), whose sum is σ = 13927680. Its totient is φ = 1536768.

The previous prime is 5501537. The next prime is 5501543. The reversal of 5501538 is 8351055.

5501538 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5501533) 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, 5458 + ... + 6386.

It is an arithmetic number, because the mean of its divisors is an integer number (290160).

Almost surely, 2^5501538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5501538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6963840).

5501538 is an abundant number, since it is smaller than the sum of its proper divisors (8426142).

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

5501538 is a wasteful number, since it uses less digits than its factorization.

5501538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5501538 is about 2345.5357596933. The cubic root of 5501538 is about 176.5338687957.

The spelling of 5501538 in words is "five million, five hundred one thousand, five hundred thirty-eight".