53309236288 has 112 divisors (see below), whose sum is σ = 132057648000. Its totient is φ = 20743188480.

The previous prime is 53309236271. The next prime is 53309236307. The reversal of 53309236288 is 88263290335.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4078788 + ... + 4091836.

Almost surely, 2^53309236288 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 53309236288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66028824000).

53309236288 is an abundant number, since it is smaller than the sum of its proper divisors (78748411712).

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

53309236288 is a wasteful number, since it uses less digits than its factorization.

53309236288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13908 (or 13898 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 53309236288 in words is "fifty-three billion, three hundred nine million, two hundred thirty-six thousand, two hundred eighty-eight".