53865318892 has 48 divisors (see below), whose sum is σ = 121315461120. Its totient is φ = 20309500800.

The previous prime is 53865318887. The next prime is 53865318929. The reversal of 53865318892 is 29881356835.

It is an unprimeable number.

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, 2811217 + ... + 2830312.

It is an arithmetic number, because the mean of its divisors is an integer number (2527405440).

Almost surely, 2^53865318892 is an apocalyptic number.

It is an amenable number.

53865318892 is an abundant number, since it is smaller than the sum of its proper divisors (67450142228).

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

53865318892 is a wasteful number, since it uses less digits than its factorization.

53865318892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641582 (or 5641580 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 58.

The spelling of 53865318892 in words is "fifty-three billion, eight hundred sixty-five million, three hundred eighteen thousand, eight hundred ninety-two".