117755553 has 4 divisors (see below), whose sum is σ = 157007408. Its totient is φ = 78503700.

The previous prime is 117755537. The next prime is 117755587. The reversal of 117755553 is 355557711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 117755553 - 2⁴ = 117755537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117755353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19625923 + ... + 19625928.

It is an arithmetic number, because the mean of its divisors is an integer number (39251852).

Almost surely, 2^117755553 is an apocalyptic number.

It is an amenable number.

117755553 is a deficient number, since it is larger than the sum of its proper divisors (39251855).

117755553 is an equidigital number, since it uses as much as digits as its factorization.

117755553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39251854.

The product of its digits is 91875, while the sum is 39.

The square root of 117755553 is about 10851.5230728225. The cubic root of 117755553 is about 490.1478840044.

The spelling of 117755553 in words is "one hundred seventeen million, seven hundred fifty-five thousand, five hundred fifty-three".