53682931561 has 16 divisors (see below), whose sum is σ = 61449696000. Its totient is φ = 45940684608.

The previous prime is 53682931543. The next prime is 53682931571. The reversal of 53682931561 is 16513928635.

It is a happy number.

It is not a de Polignac number, because 53682931561 - 2⁵ = 53682931529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53682931571) 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 15 ways as a sum of consecutive naturals, for example, 21059115 + ... + 21061663.

It is an arithmetic number, because the mean of its divisors is an integer number (3840606000).

Almost surely, 2^53682931561 is an apocalyptic number.

It is an amenable number.

53682931561 is a deficient number, since it is larger than the sum of its proper divisors (7766764439).

53682931561 is a wasteful number, since it uses less digits than its factorization.

53682931561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168.

The product of its digits is 1166400, while the sum is 49.

The spelling of 53682931561 in words is "fifty-three billion, six hundred eighty-two million, nine hundred thirty-one thousand, five hundred sixty-one".