53664707712 has 256 divisors, whose sum is σ = 179362022400. Its totient is φ = 13810176000.

The previous prime is 53664707699. The next prime is 53664707713. The reversal of 53664707712 is 21770746635.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (53664707713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3214587 + ... + 3231237.

It is an arithmetic number, because the mean of its divisors is an integer number (700632900).

Almost surely, 2^53664707712 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 53664707712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89681011200).

53664707712 is an abundant number, since it is smaller than the sum of its proper divisors (125697314688).

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

53664707712 is a wasteful number, since it uses less digits than its factorization.

53664707712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16795 (or 16783 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 53664707712 in words is "fifty-three billion, six hundred sixty-four million, seven hundred seven thousand, seven hundred twelve".