4455553 has 6 divisors (see below), whose sum is σ = 4554626. Its totient is φ = 4358592.

The previous prime is 4455533. The next prime is 4455559. The reversal of 4455553 is 3555544.

It can be written as a sum of positive squares in only one way, i.e., 4276624 + 178929 = 2068^2 + 423^2 .

It is not a de Polignac number, because 4455553 - 2²¹ = 2358401 is a prime.

It is a Duffinian number.

4455553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4455559) 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, 1201 + ... + 3217.

Almost surely, 2^4455553 is an apocalyptic number.

It is an amenable number.

4455553 is a deficient number, since it is larger than the sum of its proper divisors (99073).

4455553 is an equidigital number, since it uses as much as digits as its factorization.

4455553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2064 counting only the distinct ones).

The product of its digits is 30000, while the sum is 31.

The square root of 4455553 is about 2110.8180878512. The cubic root of 4455553 is about 164.5510045921.

Subtracting from 4455553 its reverse (3555544), we obtain a palindrome (900009).

The spelling of 4455553 in words is "four million, four hundred fifty-five thousand, five hundred fifty-three".