53543340445 has 32 divisors (see below), whose sum is σ = 75002059008. Its totient is φ = 35936828928.

The previous prime is 53543340443. The next prime is 53543340451. The reversal of 53543340445 is 54404334535.

It is not a de Polignac number, because 53543340445 - 2¹ = 53543340443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53543340398 and 53543340407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53543340443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295449 + ... + 440881.

It is an arithmetic number, because the mean of its divisors is an integer number (2343814344).

Almost surely, 2^53543340445 is an apocalyptic number.

It is an amenable number.

53543340445 is a deficient number, since it is larger than the sum of its proper divisors (21458718563).

53543340445 is a wasteful number, since it uses less digits than its factorization.

53543340445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145669.

The product of its (nonzero) digits is 864000, while the sum is 40.

The spelling of 53543340445 in words is "fifty-three billion, five hundred forty-three million, three hundred forty thousand, four hundred forty-five".