32457056 has 24 divisors (see below), whose sum is σ = 64368360. Its totient is φ = 16109568.

The previous prime is 32457053. The next prime is 32457077. The reversal of 32457056 is 65075423.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32457053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800 + ... + 8096.

It is an arithmetic number, because the mean of its divisors is an integer number (2682015).

Almost surely, 2^32457056 is an apocalyptic number.

It is an amenable number.

32457056 is a deficient number, since it is larger than the sum of its proper divisors (31911304).

32457056 is a wasteful number, since it uses less digits than its factorization.

32457056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7446 (or 7438 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 32457056 is about 5697.1094425156. The cubic root of 32457056 is about 318.9845938780.

It can be divided in two parts, 3245 and 7056, that added together give a palindrome (10301).

The spelling of 32457056 in words is "thirty-two million, four hundred fifty-seven thousand, fifty-six".