53705071812 has 192 divisors, whose sum is σ = 151027107840. Its totient is φ = 14529715200.

The previous prime is 53705071769. The next prime is 53705071817. The reversal of 53705071812 is 21817050735.

It is not an unprimeable number, because it can be changed into a prime (53705071817) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 45861987 + ... + 45863157.

It is an arithmetic number, because the mean of its divisors is an integer number (786599520).

Almost surely, 2^53705071812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53705071812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75513553920).

53705071812 is an abundant number, since it is smaller than the sum of its proper divisors (97322036028).

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

53705071812 is a wasteful number, since it uses less digits than its factorization.

53705071812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 53705071812 in words is "fifty-three billion, seven hundred five million, seventy-one thousand, eight hundred twelve".