32640552 has 48 divisors (see below), whose sum is σ = 101031840. Its totient is φ = 9325728.

The previous prime is 32640529. The next prime is 32640581. The reversal of 32640552 is 25504623.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31878 + ... + 32885.

It is an arithmetic number, because the mean of its divisors is an integer number (2104830).

Almost surely, 2^32640552 is an apocalyptic number.

It is an amenable number.

32640552 is an abundant number, since it is smaller than the sum of its proper divisors (68391288).

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

32640552 is a wasteful number, since it uses less digits than its factorization.

32640552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64782 (or 64775 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 32640552 is about 5713.1910522929. The cubic root of 32640552 is about 319.5845911777.

The spelling of 32640552 in words is "thirty-two million, six hundred forty thousand, five hundred fifty-two".