53235256320 has 704 divisors, whose sum is σ = 197376652800. Its totient is φ = 13598392320.

The previous prime is 53235256309. The next prime is 53235256387. The reversal of 53235256320 is 2365253235.

53235256320 is a `hidden beast` number, since 5 + 3 + 23 + 52 + 563 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 63 ways as a sum of consecutive naturals, for example, 497525707 + ... + 497525813.

Almost surely, 2^53235256320 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 53235256320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98688326400).

53235256320 is an abundant number, since it is smaller than the sum of its proper divisors (144141396480).

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

53235256320 is a wasteful number, since it uses less digits than its factorization.

53235256320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 53235256320 in words is "fifty-three billion, two hundred thirty-five million, two hundred fifty-six thousand, three hundred twenty".