53284566720 has 672 divisors, whose sum is σ = 223771968000. Its totient is φ = 10486333440.

The previous prime is 53284566697. The next prime is 53284566757. The reversal of 53284566720 is 2766548235.

It is a tau number, because it is divible by the number of its divisors (672).

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

It is a self number, because there is not a number n which added to its sum of digits gives 53284566720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15447556 + ... + 15451004.

It is an arithmetic number, because the mean of its divisors is an integer number (332994000).

Almost surely, 2^53284566720 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 53284566720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111885984000).

53284566720 is an abundant number, since it is smaller than the sum of its proper divisors (170487401280).

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

53284566720 is a wasteful number, since it uses less digits than its factorization.

53284566720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 53284566720 in words is "fifty-three billion, two hundred eighty-four million, five hundred sixty-six thousand, seven hundred twenty".