115555650 has 96 divisors (see below), whose sum is σ = 329978880. Its totient is φ = 26214720.

The previous prime is 115555621. The next prime is 115555667. The reversal of 115555650 is 56555511.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175021 + ... + 175679.

It is an arithmetic number, because the mean of its divisors is an integer number (3437280).

Almost surely, 2^115555650 is an apocalyptic number.

115555650 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 115555650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164989440).

115555650 is an abundant number, since it is smaller than the sum of its proper divisors (214423230).

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

115555650 is a wasteful number, since it uses less digits than its factorization.

115555650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 115555650 is about 10749.6813906274. The cubic root of 115555650 is about 487.0763709679.

It can be divided in two parts, 11555 and 5650, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 115555650 in words is "one hundred fifteen million, five hundred fifty-five thousand, six hundred fifty".