32057532 has 144 divisors (see below), whose sum is σ = 94174080. Its totient is φ = 9471168.

The previous prime is 32057497. The next prime is 32057549. The reversal of 32057532 is 23575023.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 32057496 and 32057505.

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 47 ways as a sum of consecutive naturals, for example, 543319 + ... + 543377.

Almost surely, 2^32057532 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 32057532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47087040).

32057532 is an abundant number, since it is smaller than the sum of its proper divisors (62116548).

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

32057532 is a wasteful number, since it uses less digits than its factorization.

32057532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 32057532 is about 5661.9371243418. The cubic root of 32057532 is about 317.6703597286.

The spelling of 32057532 in words is "thirty-two million, fifty-seven thousand, five hundred thirty-two".