5538720 has 96 divisors (see below), whose sum is σ = 19051200. Its totient is φ = 1341440.

The previous prime is 5538707. The next prime is 5538721. The reversal of 5538720 is 278355.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5538721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4756 + ... + 5804.

It is an arithmetic number, because the mean of its divisors is an integer number (198450).

Almost surely, 2^5538720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5538720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9525600).

5538720 is an abundant number, since it is smaller than the sum of its proper divisors (13512480).

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

5538720 is a wasteful number, since it uses less digits than its factorization.

5538720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 5538720 is about 2353.4485335354. The cubic root of 5538720 is about 176.9306760344.

The spelling of 5538720 in words is "five million, five hundred thirty-eight thousand, seven hundred twenty".