117500550 has 24 divisors (see below), whose sum is σ = 291401736. Its totient is φ = 31333440.

The previous prime is 117500543. The next prime is 117500557. The reversal of 117500550 is 55005711.

It is an interprime number because it is at equal distance from previous prime (117500543) and next prime (117500557).

It is a self number, because there is not a number n which added to its sum of digits gives 117500550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117500557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391519 + ... + 391818.

It is an arithmetic number, because the mean of its divisors is an integer number (12141739).

Almost surely, 2^117500550 is an apocalyptic number.

117500550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117500550 is an abundant number, since it is smaller than the sum of its proper divisors (173901186).

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

117500550 is a wasteful number, since it uses less digits than its factorization.

117500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783352 (or 783347 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 117500550 is about 10839.7670639179. The cubic root of 117500550 is about 489.7938185727.

The spelling of 117500550 in words is "one hundred seventeen million, five hundred thousand, five hundred fifty".