53547432066 has 12 divisors (see below), whose sum is σ = 116019436182. Its totient is φ = 17849144016.

The previous prime is 53547432061. The next prime is 53547432077. The reversal of 53547432066 is 66023474535.

53547432066 is a `hidden beast` number, since 5 + 3 + 547 + 43 + 2 + 0 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41136358041 + 12411074025 = 202821^2 + 111405^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53547432061) 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 5 ways as a sum of consecutive naturals, for example, 1487428651 + ... + 1487428686.

Almost surely, 2^53547432066 is an apocalyptic number.

53547432066 is an abundant number, since it is smaller than the sum of its proper divisors (62472004116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53547432066 is a wasteful number, since it uses less digits than its factorization.

53547432066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974857345 (or 2974857342 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

The spelling of 53547432066 in words is "fifty-three billion, five hundred forty-seven million, four hundred thirty-two thousand, sixty-six".