108505553 has 8 divisors (see below), whose sum is σ = 116937408. Its totient is φ = 100085904.

The previous prime is 108505547. The next prime is 108505567. The reversal of 108505553 is 355505801.

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

It is a cyclic number.

It is not a de Polignac number, because 108505553 - 2⁶ = 108505489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108505583) 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, 25076 + ... + 29082.

It is an arithmetic number, because the mean of its divisors is an integer number (14617176).

Almost surely, 2^108505553 is an apocalyptic number.

108505553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

108505553 is a deficient number, since it is larger than the sum of its proper divisors (8431855).

108505553 is a wasteful number, since it uses less digits than its factorization.

108505553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 108505553 is about 10416.5998771192. The cubic root of 108505553 is about 476.9622289298.

The spelling of 108505553 in words is "one hundred eight million, five hundred five thousand, five hundred fifty-three".