52432656 has 80 divisors (see below), whose sum is σ = 141324288. Its totient is φ = 16732800.

The previous prime is 52432637. The next prime is 52432657. The reversal of 52432656 is 65623425.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52432657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248391 + ... + 248601.

Almost surely, 2^52432656 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 52432656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70662144).

52432656 is an abundant number, since it is smaller than the sum of its proper divisors (88891632).

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

52432656 is a wasteful number, since it uses less digits than its factorization.

52432656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 414 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 52432656 is about 7241.0397043519. The cubic root of 52432656 is about 374.2834458949.

The spelling of 52432656 in words is "fifty-two million, four hundred thirty-two thousand, six hundred fifty-six".