45555320505643 has 16 divisors (see below), whose sum is σ = 51193029242880. Its totient is φ = 40222421404704.

The previous prime is 45555320505637. The next prime is 45555320505661. The reversal of 45555320505643 is 34650502355554.

45555320505643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45555320505643 - 2³³ = 45546730571051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45555320505623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39351630 + ... + 40492732.

It is an arithmetic number, because the mean of its divisors is an integer number (3199564327680).

Almost surely, 2^{45555320505643} is an apocalyptic number.

45555320505643 is a deficient number, since it is larger than the sum of its proper divisors (5637708737237).

45555320505643 is a wasteful number, since it uses less digits than its factorization.

45555320505643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274658.

The product of its (nonzero) digits is 27000000, while the sum is 52.

The spelling of 45555320505643 in words is "forty-five trillion, five hundred fifty-five billion, three hundred twenty million, five hundred five thousand, six hundred forty-three".