115398550 has 48 divisors (see below), whose sum is σ = 229271040. Its totient is φ = 43061760.

The previous prime is 115398487. The next prime is 115398553. The reversal of 115398550 is 55893511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115398553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107416 + ... + 108484.

It is an arithmetic number, because the mean of its divisors is an integer number (4776480).

Almost surely, 2^115398550 is an apocalyptic number.

115398550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115398550 is a deficient number, since it is larger than the sum of its proper divisors (113872490).

115398550 is a wasteful number, since it uses less digits than its factorization.

115398550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 115398550 is about 10742.3717120569. The cubic root of 115398550 is about 486.8555411462.

The spelling of 115398550 in words is "one hundred fifteen million, three hundred ninety-eight thousand, five hundred fifty".