4445453553 has 4 divisors (see below), whose sum is σ = 5927271408. Its totient is φ = 2963635700.

The previous prime is 4445453549. The next prime is 4445453603. The reversal of 4445453553 is 3553545444.

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.

It is a cyclic number.

It is not a de Polignac number, because 4445453553 - 2² = 4445453549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4445453513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740908923 + ... + 740908928.

It is an arithmetic number, because the mean of its divisors is an integer number (1481817852).

Almost surely, 2^4445453553 is an apocalyptic number.

It is an amenable number.

4445453553 is a deficient number, since it is larger than the sum of its proper divisors (1481817855).

4445453553 is a wasteful number, since it uses less digits than its factorization.

4445453553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481817854.

The product of its digits is 1440000, while the sum is 42.

The square root of 4445453553 is about 66674.2345512868. The cubic root of 4445453553 is about 1644.2658072558.

Adding to 4445453553 its reverse (3553545444), we get a palindrome (7998998997).

The spelling of 4445453553 in words is "four billion, four hundred forty-five million, four hundred fifty-three thousand, five hundred fifty-three".