4538145553 has 4 divisors (see below), whose sum is σ = 4602063168. Its totient is φ = 4474227940.

The previous prime is 4538145551. The next prime is 4538145559. The reversal of 4538145553 is 3555418354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3555418354 = 2 ⋅1777709177.

It is a cyclic number.

It is not a de Polignac number, because 4538145553 - 2¹ = 4538145551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4538145551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31958701 + ... + 31958842.

It is an arithmetic number, because the mean of its divisors is an integer number (1150515792).

Almost surely, 2^4538145553 is an apocalyptic number.

It is an amenable number.

4538145553 is a deficient number, since it is larger than the sum of its proper divisors (63917615).

4538145553 is an equidigital number, since it uses as much as digits as its factorization.

4538145553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63917614.

The product of its digits is 720000, while the sum is 43.

The square root of 4538145553 is about 67365.7594999121. The cubic root of 4538145553 is about 1655.6154619567.

The spelling of 4538145553 in words is "four billion, five hundred thirty-eight million, one hundred forty-five thousand, five hundred fifty-three".