32155648 has 48 divisors (see below), whose sum is σ = 73513440. Its totient is φ = 13774848.

The previous prime is 32155639. The next prime is 32155699. The reversal of 32155648 is 84655123.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13215 + ... + 15457.

It is an arithmetic number, because the mean of its divisors is an integer number (1531530).

Almost surely, 2^32155648 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 32155648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36756720).

32155648 is an abundant number, since it is smaller than the sum of its proper divisors (41357792).

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

32155648 is an equidigital number, since it uses as much as digits as its factorization.

32155648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2252 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 32155648 is about 5670.5950305061. The cubic root of 32155648 is about 317.9941193222.

The spelling of 32155648 in words is "thirty-two million, one hundred fifty-five thousand, six hundred forty-eight".