52432320 has 56 divisors (see below), whose sum is σ = 166475664. Its totient is φ = 13981696.

The previous prime is 52432313. The next prime is 52432327. The reversal of 52432320 is 2323425.

It is an interprime number because it is at equal distance from previous prime (52432313) and next prime (52432327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52432327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26349 + ... + 28268.

Almost surely, 2^52432320 is an apocalyptic number.

It is an amenable number.

52432320 is an abundant number, since it is smaller than the sum of its proper divisors (114043344).

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

52432320 is a wasteful number, since it uses less digits than its factorization.

52432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54637 (or 54627 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 52432320 is about 7241.0165032266. The cubic root of 52432320 is about 374.2826463963.

Adding to 52432320 its reverse (2323425), we get a palindrome (54755745).

The spelling of 52432320 in words is "fifty-two million, four hundred thirty-two thousand, three hundred twenty".