32053640 has 16 divisors (see below), whose sum is σ = 72120780. Its totient is φ = 12821440.

The previous prime is 32053639. The next prime is 32053649. The reversal of 32053640 is 4635023.

It can be written as a sum of positive squares in 2 ways, for example, as 31158724 + 894916 = 5582^2 + 946^2 .

It is not an unprimeable number, because it can be changed into a prime (32053649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 400631 + ... + 400710.

Almost surely, 2^32053640 is an apocalyptic number.

It is an amenable number.

32053640 is an abundant number, since it is smaller than the sum of its proper divisors (40067140).

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

32053640 is a wasteful number, since it uses less digits than its factorization.

32053640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801352 (or 801348 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 32053640 is about 5661.5934152851. The cubic root of 32053640 is about 317.6575034356.

Adding to 32053640 its reverse (4635023), we get a palindrome (36688663).

The spelling of 32053640 in words is "thirty-two million, fifty-three thousand, six hundred forty".