53531613885 has 32 divisors (see below), whose sum is σ = 86011632000. Its totient is φ = 28430099456.

The previous prime is 53531613881. The next prime is 53531613931. The reversal of 53531613885 is 58831613535.

It is a cyclic number.

It is not a de Polignac number, because 53531613885 - 2² = 53531613881 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53531613881) 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 31 ways as a sum of consecutive naturals, for example, 3568681 + ... + 3583649.

It is an arithmetic number, because the mean of its divisors is an integer number (2687863500).

Almost surely, 2^53531613885 is an apocalyptic number.

It is an amenable number.

53531613885 is a deficient number, since it is larger than the sum of its proper divisors (32480018115).

53531613885 is a wasteful number, since it uses less digits than its factorization.

53531613885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15965.

The product of its digits is 1296000, while the sum is 48.

The spelling of 53531613885 in words is "fifty-three billion, five hundred thirty-one million, six hundred thirteen thousand, eight hundred eighty-five".