115553250 has 256 divisors, whose sum is σ = 363916800. Its totient is φ = 26956800.

The previous prime is 115553237. The next prime is 115553261. The reversal of 115553250 is 52355511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2180224 + ... + 2180276.

It is an arithmetic number, because the mean of its divisors is an integer number (1421550).

Almost surely, 2^115553250 is an apocalyptic number.

115553250 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 115553250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181958400).

115553250 is an abundant number, since it is smaller than the sum of its proper divisors (248363550).

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

115553250 is a wasteful number, since it uses less digits than its factorization.

115553250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 115553250 is about 10749.5697588322. The cubic root of 115553250 is about 487.0729988801.

The spelling of 115553250 in words is "one hundred fifteen million, five hundred fifty-three thousand, two hundred fifty".