654552108 has 72 divisors (see below), whose sum is σ = 1897957152. Its totient is φ = 186319872.

The previous prime is 654552103. The next prime is 654552133. The reversal of 654552108 is 801255456.

654552108 is a `hidden beast` number, since 6 + 545 + 5 + 2 + 108 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (654552103) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 65116 + ... + 74492.

It is an arithmetic number, because the mean of its divisors is an integer number (26360516).

Almost surely, 2^654552108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654552108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948978576).

654552108 is an abundant number, since it is smaller than the sum of its proper divisors (1243405044).

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

654552108 is a wasteful number, since it uses less digits than its factorization.

654552108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9671 (or 9666 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 654552108 is about 25584.2159934597. The cubic root of 654552108 is about 868.2565640660.

It can be divided in two parts, 6545 and 52108, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 654552108 in words is "six hundred fifty-four million, five hundred fifty-two thousand, one hundred eight".