45534843553 has 4 divisors (see below), whose sum is σ = 48213363780. Its totient is φ = 42856323328.

The previous prime is 45534843533. The next prime is 45534843611. The reversal of 45534843553 is 35534843554.

It is a happy number.

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 31078869264 + 14455974289 = 176292^2 + 120233^2 .

It is a cyclic number.

It is not a de Polignac number, because 45534843553 - 2²⁵ = 45501289121 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45534843497 and 45534843506.

It is not an unprimeable number, because it can be changed into a prime (45534843533) 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, 1339260088 + ... + 1339260121.

It is an arithmetic number, because the mean of its divisors is an integer number (12053340945).

Almost surely, 2^45534843553 is an apocalyptic number.

It is an amenable number.

45534843553 is a deficient number, since it is larger than the sum of its proper divisors (2678520227).

45534843553 is a wasteful number, since it uses less digits than its factorization.

45534843553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678520226.

The product of its digits is 8640000, while the sum is 49.

Subtracting from 45534843553 its reverse (35534843554), we obtain a palindrome (9999999999).

The spelling of 45534843553 in words is "forty-five billion, five hundred thirty-four million, eight hundred forty-three thousand, five hundred fifty-three".