115550520 has 32 divisors (see below), whose sum is σ = 346651920. Its totient is φ = 30813440.

The previous prime is 115550509. The next prime is 115550527. The reversal of 115550520 is 25055511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115550527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481341 + ... + 481580.

Almost surely, 2^115550520 is an apocalyptic number.

115550520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115550520 is an abundant number, since it is smaller than the sum of its proper divisors (231101400).

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

115550520 is a wasteful number, since it uses less digits than its factorization.

115550520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962935 (or 962931 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 115550520 is about 10749.4427762559. The cubic root of 115550520 is about 487.0691630735.

The spelling of 115550520 in words is "one hundred fifteen million, five hundred fifty thousand, five hundred twenty".