109647552 has 112 divisors (see below), whose sum is σ = 351129600. Its totient is φ = 29478912.

The previous prime is 109647541. The next prime is 109647557. The reversal of 109647552 is 255746901.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 109647552.

It is not an unprimeable number, because it can be changed into a prime (109647557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20449 + ... + 25247.

Almost surely, 2^109647552 is an apocalyptic number.

109647552 is a gapful number since it is divisible by the number (12) 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 109647552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175564800).

109647552 is an abundant number, since it is smaller than the sum of its proper divisors (241482048).

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

109647552 is a wasteful number, since it uses less digits than its factorization.

109647552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4828 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 109647552 is about 10471.2727020167. The cubic root of 109647552 is about 478.6297029294.

The spelling of 109647552 in words is "one hundred nine million, six hundred forty-seven thousand, five hundred fifty-two".