32530557 has 8 divisors (see below), whose sum is σ = 43650976. Its totient is φ = 21548592.

The previous prime is 32530543. The next prime is 32530559. The reversal of 32530557 is 75503523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32530557 - 2⁷ = 32530429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32530559) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34063 + ... + 35004.

It is an arithmetic number, because the mean of its divisors is an integer number (5456372).

Almost surely, 2^32530557 is an apocalyptic number.

It is an amenable number.

32530557 is a deficient number, since it is larger than the sum of its proper divisors (11120419).

32530557 is a wasteful number, since it uses less digits than its factorization.

32530557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69227.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 32530557 is about 5703.5565220308. The cubic root of 32530557 is about 319.2251990929.

The spelling of 32530557 in words is "thirty-two million, five hundred thirty thousand, five hundred fifty-seven".