5421056 has 24 divisors (see below), whose sum is σ = 10843560. Its totient is φ = 2709504.

The previous prime is 5421047. The next prime is 5421071. The reversal of 5421056 is 6501245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (451815).

Almost surely, 2^5421056 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 5421056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5421780).

5421056 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5421056 is an equidigital number, since it uses as much as digits as its factorization.

5421056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5421056 is about 2328.3161297384. The cubic root of 5421056 is about 175.6687986152.

The spelling of 5421056 in words is "five million, four hundred twenty-one thousand, fifty-six".