53816588520 has 128 divisors (see below), whose sum is σ = 167718055680. Its totient is φ = 13803776000.

The previous prime is 53816588503. The next prime is 53816588533. The reversal of 53816588520 is 2588561835.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272290 + ... + 426350.

It is an arithmetic number, because the mean of its divisors is an integer number (1310297310).

Almost surely, 2^53816588520 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 53816588520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83859027840).

53816588520 is an abundant number, since it is smaller than the sum of its proper divisors (113901467160).

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

53816588520 is a wasteful number, since it uses less digits than its factorization.

53816588520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154187 (or 154183 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 51.

The spelling of 53816588520 in words is "fifty-three billion, eight hundred sixteen million, five hundred eighty-eight thousand, five hundred twenty".