117528553 has 8 divisors (see below), whose sum is σ = 118272672. Its totient is φ = 116787456.

The previous prime is 117528527. The next prime is 117528557. The reversal of 117528553 is 355825711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117528553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117528557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199926 + ... + 200512.

It is an arithmetic number, because the mean of its divisors is an integer number (14784084).

Almost surely, 2^117528553 is an apocalyptic number.

It is an amenable number.

117528553 is a deficient number, since it is larger than the sum of its proper divisors (744119).

117528553 is an equidigital number, since it uses as much as digits as its factorization.

117528553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511.

The product of its digits is 42000, while the sum is 37.

The square root of 117528553 is about 10841.0586660160. The cubic root of 117528553 is about 489.8327250767.

The spelling of 117528553 in words is "one hundred seventeen million, five hundred twenty-eight thousand, five hundred fifty-three".