32105045553 has 16 divisors (see below), whose sum is σ = 48937284480. Its totient is φ = 18339998976.

The previous prime is 32105045549. The next prime is 32105045563. The reversal of 32105045553 is 35554050123.

It is a happy number.

It is not a de Polignac number, because 32105045553 - 2² = 32105045549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32105045543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170058 + ... + 305171.

It is an arithmetic number, because the mean of its divisors is an integer number (3058580280).

Almost surely, 2^32105045553 is an apocalyptic number.

It is an amenable number.

32105045553 is a deficient number, since it is larger than the sum of its proper divisors (16832238927).

32105045553 is a wasteful number, since it uses less digits than its factorization.

32105045553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478456.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 32105045553 its reverse (35554050123), we get a palindrome (67659095676).

The spelling of 32105045553 in words is "thirty-two billion, one hundred five million, forty-five thousand, five hundred fifty-three".