56543432 has 32 divisors (see below), whose sum is σ = 116013600. Its totient is φ = 25622400.

The previous prime is 56543429. The next prime is 56543447. The reversal of 56543432 is 23434565.

56543432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

56543432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between odd and even.

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 7 ways as a sum of consecutive naturals, for example, 35207 + ... + 36777.

It is an arithmetic number, because the mean of its divisors is an integer number (3625425).

Almost surely, 2^56543432 is an apocalyptic number.

It is an amenable number.

56543432 is an abundant number, since it is smaller than the sum of its proper divisors (59470168).

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

56543432 is a wasteful number, since it uses less digits than its factorization.

56543432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 56543432 is about 7519.5366878552. The cubic root of 56543432 is about 383.8198120186.

Adding to 56543432 its reverse (23434565), we get a palindrome (79977997).

The spelling of 56543432 in words is "fifty-six million, five hundred forty-three thousand, four hundred thirty-two".