53255635328 has 128 divisors (see below), whose sum is σ = 124093624320. Its totient is φ = 22290978816.

The previous prime is 53255635291. The next prime is 53255635337. The reversal of 53255635328 is 82353655235.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25813625 + ... + 25815687.

It is an arithmetic number, because the mean of its divisors is an integer number (969481440).

Almost surely, 2^53255635328 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 53255635328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62046812160).

53255635328 is an abundant number, since it is smaller than the sum of its proper divisors (70837988992).

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

53255635328 is a wasteful number, since it uses less digits than its factorization.

53255635328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744 (or 2732 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 47.

The spelling of 53255635328 in words is "fifty-three billion, two hundred fifty-five million, six hundred thirty-five thousand, three hundred twenty-eight".