5538456 has 192 divisors, whose sum is σ = 19918080. Its totient is φ = 1399680.

The previous prime is 5538451. The next prime is 5538473. The reversal of 5538456 is 6548355.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (72000) is a multiple of the sum of its prime divisors (60).

It is a self number, because there is not a number n which added to its sum of digits gives 5538456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5538451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149670 + ... + 149706.

It is an arithmetic number, because the mean of its divisors is an integer number (103740).

Almost surely, 2^5538456 is an apocalyptic number.

5538456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5538456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9959040).

5538456 is an abundant number, since it is smaller than the sum of its proper divisors (14379624).

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

5538456 is a wasteful number, since it uses less digits than its factorization.

5538456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 60 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5538456 is about 2353.3924449611. The cubic root of 5538456 is about 176.9278648891.

It can be divided in two parts, 553 and 8456, that added together give a palindrome (9009).

The spelling of 5538456 in words is "five million, five hundred thirty-eight thousand, four hundred fifty-six".