53321142535 has 16 divisors (see below), whose sum is σ = 66793466304. Its totient is φ = 40786301952.

The previous prime is 53321142521. The next prime is 53321142547. The reversal of 53321142535 is 53524112335.

It is a cyclic number.

It is not a de Polignac number, because 53321142535 - 2⁹ = 53321142023 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 53321142535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208789 + ... + 387601.

It is an arithmetic number, because the mean of its divisors is an integer number (4174591644).

Almost surely, 2^53321142535 is an apocalyptic number.

53321142535 is a deficient number, since it is larger than the sum of its proper divisors (13472323769).

53321142535 is a wasteful number, since it uses less digits than its factorization.

53321142535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181434.

The product of its digits is 54000, while the sum is 34.

The spelling of 53321142535 in words is "fifty-three billion, three hundred twenty-one million, one hundred forty-two thousand, five hundred thirty-five".