108552820 has 48 divisors (see below), whose sum is σ = 247922640. Its totient is φ = 39757824.

The previous prime is 108552811. The next prime is 108552841. The reversal of 108552820 is 28255801.

It can be written as a sum of positive squares in 8 ways, for example, as 20268004 + 88284816 = 4502^2 + 9396^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8266 + ... + 16894.

It is an arithmetic number, because the mean of its divisors is an integer number (5165055).

Almost surely, 2^108552820 is an apocalyptic number.

108552820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108552820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123961320).

108552820 is an abundant number, since it is smaller than the sum of its proper divisors (139369820).

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

108552820 is a wasteful number, since it uses less digits than its factorization.

108552820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8692 (or 8690 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 108552820 is about 10418.8684606343. The cubic root of 108552820 is about 477.0314766940.

The spelling of 108552820 in words is "one hundred eight million, five hundred fifty-two thousand, eight hundred twenty".