53545035643 has 16 divisors (see below), whose sum is σ = 62897109120. Its totient is φ = 45037417600.

The previous prime is 53545035637. The next prime is 53545035671. The reversal of 53545035643 is 34653054535.

It is a cyclic number.

It is not a de Polignac number, because 53545035643 - 2¹³ = 53545027451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53545035643.

It is not an unprimeable number, because it can be changed into a prime (53545035043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2415553 + ... + 2437618.

It is an arithmetic number, because the mean of its divisors is an integer number (3931069320).

Almost surely, 2^53545035643 is an apocalyptic number.

53545035643 is a deficient number, since it is larger than the sum of its proper divisors (9352073477).

53545035643 is a wasteful number, since it uses less digits than its factorization.

53545035643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853258.

The product of its (nonzero) digits is 1620000, while the sum is 43.

The spelling of 53545035643 in words is "fifty-three billion, five hundred forty-five million, thirty-five thousand, six hundred forty-three".