115343550 has 108 divisors (see below), whose sum is σ = 360552816. Its totient is φ = 26359200.

The previous prime is 115343549. The next prime is 115343567. The reversal of 115343550 is 55343511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 19435 + ... + 24665.

It is an arithmetic number, because the mean of its divisors is an integer number (3338452).

Almost surely, 2^115343550 is an apocalyptic number.

115343550 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 115343550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180276408).

115343550 is an abundant number, since it is smaller than the sum of its proper divisors (245209266).

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

115343550 is a wasteful number, since it uses less digits than its factorization.

115343550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263 (or 5248 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 115343550 is about 10739.8114508589. The cubic root of 115343550 is about 486.7781822599.

The spelling of 115343550 in words is "one hundred fifteen million, three hundred forty-three thousand, five hundred fifty".