5538420 has 72 divisors (see below), whose sum is σ = 17395560. Its totient is φ = 1424640.

The previous prime is 5538371. The next prime is 5538431. The reversal of 5538420 is 248355.

It can be written as a sum of positive squares in 4 ways, for example, as 898704 + 4639716 = 948^2 + 2154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4690 + ... + 5750.

It is an arithmetic number, because the mean of its divisors is an integer number (241605).

Almost surely, 2^5538420 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 5538420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8697780).

5538420 is an abundant number, since it is smaller than the sum of its proper divisors (11857140).

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

5538420 is a wasteful number, since it uses less digits than its factorization.

5538420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5538420 is about 2353.3847964156. The cubic root of 5538420 is about 176.9274815442.

The spelling of 5538420 in words is "five million, five hundred thirty-eight thousand, four hundred twenty".