115252550 has 24 divisors (see below), whose sum is σ = 244994736. Its totient is φ = 39515040.

The previous prime is 115252549. The next prime is 115252559. The reversal of 115252550 is 55252511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115252559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164297 + ... + 164996.

It is an arithmetic number, because the mean of its divisors is an integer number (10208114).

Almost surely, 2^115252550 is an apocalyptic number.

115252550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115252550 is an abundant number, since it is smaller than the sum of its proper divisors (129742186).

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

115252550 is a wasteful number, since it uses less digits than its factorization.

115252550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329312 (or 329307 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 115252550 is about 10735.5740414754. The cubic root of 115252550 is about 486.6501344439.

The spelling of 115252550 in words is "one hundred fifteen million, two hundred fifty-two thousand, five hundred fifty".