108553538 has 4 divisors (see below), whose sum is σ = 162830310. Its totient is φ = 54276768.

The previous prime is 108553531. The next prime is 108553589. The reversal of 108553538 is 835355801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835355801 = 7 ⋅119336543.

It can be written as a sum of positive squares in only one way, i.e., 91718929 + 16834609 = 9577^2 + 4103^2 .

It is a super-2 number, since 2×108553538² = 23567741224634888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108553531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27138383 + ... + 27138386.

Almost surely, 2^108553538 is an apocalyptic number.

108553538 is a deficient number, since it is larger than the sum of its proper divisors (54276772).

108553538 is an equidigital number, since it uses as much as digits as its factorization.

108553538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54276771.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 108553538 is about 10418.9029172941. The cubic root of 108553538 is about 477.0325284335.

The spelling of 108553538 in words is "one hundred eight million, five hundred fifty-three thousand, five hundred thirty-eight".