4400053 has 6 divisors (see below), whose sum is σ = 5118486. Its totient is φ = 3771432.

The previous prime is 4400041. The next prime is 4400069. The reversal of 4400053 is 3500044.

It can be written as a sum of positive squares in only one way, i.e., 3161284 + 1238769 = 1778^2 + 1113^2 .

It is not a de Polignac number, because 4400053 - 2⁵ = 4400021 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400023) 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 5 ways as a sum of consecutive naturals, for example, 44850 + ... + 44947.

It is an arithmetic number, because the mean of its divisors is an integer number (853081).

Almost surely, 2^4400053 is an apocalyptic number.

It is an amenable number.

4400053 is a deficient number, since it is larger than the sum of its proper divisors (718433).

4400053 is an equidigital number, since it uses as much as digits as its factorization.

4400053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89811 (or 89804 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 4400053 is about 2097.6303296816. The cubic root of 4400053 is about 163.8649120573.

Adding to 4400053 its reverse (3500044), we get a palindrome (7900097).

Subtracting from 4400053 its reverse (3500044), we obtain a palindrome (900009).

The spelling of 4400053 in words is "four million, four hundred thousand, fifty-three".