53070433728 has 224 divisors, whose sum is σ = 154461033216. Its totient is φ = 15982804992.

The previous prime is 53070433727. The next prime is 53070433733. The reversal of 53070433728 is 82733407035.

53070433728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53070433728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53070433727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23408851 + ... + 23411117.

It is an arithmetic number, because the mean of its divisors is an integer number (689558184).

Almost surely, 2^53070433728 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 53070433728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77230516608).

53070433728 is an abundant number, since it is smaller than the sum of its proper divisors (101390599488).

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

53070433728 is a wasteful number, since it uses less digits than its factorization.

53070433728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 53070433728 in words is "fifty-three billion, seventy million, four hundred thirty-three thousand, seven hundred twenty-eight".