5455728 has 80 divisors (see below), whose sum is σ = 15966240. Its totient is φ = 1783296.

The previous prime is 5455727. The next prime is 5455729. The reversal of 5455728 is 8275545.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5455727) and next prime (5455729).

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

It is a junction number, because it is equal to n+sod(n) for n = 5455692 and 5455701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5455727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31450 + ... + 31622.

It is an arithmetic number, because the mean of its divisors is an integer number (199578).

Almost surely, 2^5455728 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 5455728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7983120).

5455728 is an abundant number, since it is smaller than the sum of its proper divisors (10510512).

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

5455728 is a wasteful number, since it uses less digits than its factorization.

5455728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 251 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 5455728 is about 2335.7499866210. The cubic root of 5455728 is about 176.0425172763.

The spelling of 5455728 in words is "five million, four hundred fifty-five thousand, seven hundred twenty-eight".