4455547455553 has 4 divisors (see below), whose sum is σ = 4455590055300. Its totient is φ = 4455504855808.

The previous prime is 4455547455517. The next prime is 4455547455577. The reversal of 4455547455553 is 3555547455544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1370227101489 + 3085320354064 = 1170567^2 + 1756508^2 .

It is a cyclic number.

It is not a de Polignac number, because 4455547455553 - 2²⁹ = 4455010584641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4455547455491 and 4455547455500.

It is not an unprimeable number, because it can be changed into a prime (4455547455053) 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, 21142600 + ... + 21352297.

It is an arithmetic number, because the mean of its divisors is an integer number (1113897513825).

Almost surely, 2^{4455547455553} is an apocalyptic number.

It is an amenable number.

4455547455553 is a deficient number, since it is larger than the sum of its proper divisors (42599747).

4455547455553 is a wasteful number, since it uses less digits than its factorization.

4455547455553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42599746.

The product of its digits is 420000000, while the sum is 61.

Subtracting from 4455547455553 its reverse (3555547455544), we obtain a palindrome (900000000009).

The spelling of 4455547455553 in words is "four trillion, four hundred fifty-five billion, five hundred forty-seven million, four hundred fifty-five thousand, five hundred fifty-three".