32255664 has 80 divisors (see below), whose sum is σ = 100850688. Its totient is φ = 8672256.

The previous prime is 32255653. The next prime is 32255687. The reversal of 32255664 is 46655223.

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, 2889 + ... + 8535.

Almost surely, 2^32255664 is an apocalyptic number.

32255664 is a gapful number since it is divisible by the number (34) 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 32255664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50425344).

32255664 is an abundant number, since it is smaller than the sum of its proper divisors (68595024).

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

32255664 is a wasteful number, since it uses less digits than its factorization.

32255664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682 (or 5676 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 32255664 is about 5679.4070112997. The cubic root of 32255664 is about 318.3234713342.

The spelling of 32255664 in words is "thirty-two million, two hundred fifty-five thousand, six hundred sixty-four".