6442554 has 16 divisors (see below), whose sum is σ = 13004640. Its totient is φ = 2127600.

The previous prime is 6442531. The next prime is 6442559. The reversal of 6442554 is 4552446.

It is a d-powerful number, because it can be written as 6³ + 4⁶ + 4⁸ + 2²¹ + 5⁵ + 5⁷ + 4¹¹ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6442559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272 + ... + 5579.

It is an arithmetic number, because the mean of its divisors is an integer number (812790).

Almost surely, 2^6442554 is an apocalyptic number.

6442554 is an abundant number, since it is smaller than the sum of its proper divisors (6562086).

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

6442554 is a wasteful number, since it uses less digits than its factorization.

6442554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965.

The product of its digits is 19200, while the sum is 30.

The square root of 6442554 is about 2538.2186667031. The cubic root of 6442554 is about 186.0741408673.

It can be divided in two parts, 6442 and 554, that added together give a palindrome (6996).

The spelling of 6442554 in words is "six million, four hundred forty-two thousand, five hundred fifty-four".