53512525500 has 384 divisors, whose sum is σ = 190207180800. Its totient is φ = 11426688000.

The previous prime is 53512525487. The next prime is 53512525511. The reversal of 53512525500 is 552521535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9436666 + ... + 9442334.

It is an arithmetic number, because the mean of its divisors is an integer number (495331200).

Almost surely, 2^53512525500 is an apocalyptic number.

53512525500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53512525500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95103590400).

53512525500 is an abundant number, since it is smaller than the sum of its proper divisors (136694655300).

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

53512525500 is a wasteful number, since it uses less digits than its factorization.

53512525500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758 (or 5746 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 53512525500 in words is "fifty-three billion, five hundred twelve million, five hundred twenty-five thousand, five hundred".