115655550 has 24 divisors (see below), whose sum is σ = 286826136. Its totient is φ = 30841440.

The previous prime is 115655549. The next prime is 115655587. The reversal of 115655550 is 55556511.

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, 385369 + ... + 385668.

It is an arithmetic number, because the mean of its divisors is an integer number (11951089).

Almost surely, 2^115655550 is an apocalyptic number.

115655550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115655550 is an abundant number, since it is smaller than the sum of its proper divisors (171170586).

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

115655550 is a wasteful number, since it uses less digits than its factorization.

115655550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771052 (or 771047 counting only the distinct ones).

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

The square root of 115655550 is about 10754.3270361283. The cubic root of 115655550 is about 487.2166927205.

The spelling of 115655550 in words is "one hundred fifteen million, six hundred fifty-five thousand, five hundred fifty".