4255553 has 2 divisors, whose sum is σ = 4255554. Its totient is φ = 4255552.

The previous prime is 4255549. The next prime is 4255561. The reversal of 4255553 is 3555524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3659569 + 595984 = 1913^2 + 772^2 .

It is a cyclic number.

It is not a de Polignac number, because 4255553 - 2² = 4255549 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4255523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127776 + 2127777.

It is an arithmetic number, because the mean of its divisors is an integer number (2127777).

Almost surely, 2^4255553 is an apocalyptic number.

It is an amenable number.

4255553 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255553 is an equidigital number, since it uses as much as digits as its factorization.

4255553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15000, while the sum is 29.

The square root of 4255553 is about 2062.8991734935. The cubic root of 4255553 is about 162.0511066718.

Subtracting from 4255553 its sum of digits (29), we obtain a palindrome (4255524).

The spelling of 4255553 in words is "four million, two hundred fifty-five thousand, five hundred fifty-three".