117485550 has 288 divisors, whose sum is σ = 411640320. Its totient is φ = 23328000.

The previous prime is 117485549. The next prime is 117485597. The reversal of 117485550 is 55584711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 777975 + ... + 778125.

Almost surely, 2^117485550 is an apocalyptic number.

117485550 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 117485550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205820160).

117485550 is an abundant number, since it is smaller than the sum of its proper divisors (294154770).

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

117485550 is a wasteful number, since it uses less digits than its factorization.

117485550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The square root of 117485550 is about 10839.0751450481. The cubic root of 117485550 is about 489.7729754931.

The spelling of 117485550 in words is "one hundred seventeen million, four hundred eighty-five thousand, five hundred fifty".