4444555553 has 2 divisors, whose sum is σ = 4444555554. Its totient is φ = 4444555552.

The previous prime is 4444555523. The next prime is 4444555559. The reversal of 4444555553 is 3555554444.

4444555553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3822701584 + 621853969 = 61828^2 + 24937^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444555553 - 2²² = 4440361249 is a prime.

It is not a weakly prime, because it can be changed into another prime (4444555559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222277776 + 2222277777.

It is an arithmetic number, because the mean of its divisors is an integer number (2222277777).

Almost surely, 2^4444555553 is an apocalyptic number.

It is an amenable number.

4444555553 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444555553 is an equidigital number, since it uses as much as digits as its factorization.

4444555553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400000, while the sum is 44.

The square root of 4444555553 is about 66667.4999756253. The cubic root of 4444555553 is about 1644.1550836359.

The spelling of 4444555553 in words is "four billion, four hundred forty-four million, five hundred fifty-five thousand, five hundred fifty-three".