53309609045280 has 768 divisors, whose sum is σ = 225805999104000. Its totient is φ = 11474590076928.

The previous prime is 53309609045269. The next prime is 53309609045339. The reversal of 53309609045280 is 8254090690335.

53309609045280 is a `hidden beast` number, since 5 + 3 + 3 + 0 + 9 + 609 + 0 + 4 + 5 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 95673726 + ... + 96229314.

It is an arithmetic number, because the mean of its divisors is an integer number (294018228000).

Almost surely, 2^{53309609045280} 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 53309609045280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112902999552000).

53309609045280 is an abundant number, since it is smaller than the sum of its proper divisors (172496390058720).

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

53309609045280 is a wasteful number, since it uses less digits than its factorization.

53309609045280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555806 (or 555792 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 53309609045280 in words is "fifty-three trillion, three hundred nine billion, six hundred nine million, forty-five thousand, two hundred eighty".