115995550 has 24 divisors (see below), whose sum is σ = 235366632. Its totient is φ = 42180000.

The previous prime is 115995547. The next prime is 115995617. The reversal of 115995550 is 55599511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104901 + ... + 106000.

It is an arithmetic number, because the mean of its divisors is an integer number (9806943).

Almost surely, 2^115995550 is an apocalyptic number.

115995550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115995550 is an abundant number, since it is smaller than the sum of its proper divisors (119371082).

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

115995550 is a wasteful number, since it uses less digits than its factorization.

115995550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210924 (or 210919 counting only the distinct ones).

The product of its (nonzero) digits is 50625, while the sum is 40.

The square root of 115995550 is about 10770.1230262240. The cubic root of 115995550 is about 487.6936596352.

The spelling of 115995550 in words is "one hundred fifteen million, nine hundred ninety-five thousand, five hundred fifty".