115568550 has 72 divisors (see below), whose sum is σ = 328780296. Its totient is φ = 29003520.

The previous prime is 115568513. The next prime is 115568569. The reversal of 115568550 is 55865511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 97 + ... + 15203.

It is an arithmetic number, because the mean of its divisors is an integer number (4566393).

Almost surely, 2^115568550 is an apocalyptic number.

115568550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115568550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164390148).

115568550 is an abundant number, since it is smaller than the sum of its proper divisors (213211746).

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

115568550 is a wasteful number, since it uses less digits than its factorization.

115568550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15142 (or 15134 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The square root of 115568550 is about 10750.2813916660. The cubic root of 115568550 is about 487.0944951398.

The spelling of 115568550 in words is "one hundred fifteen million, five hundred sixty-eight thousand, five hundred fifty".