654543432 has 48 divisors (see below), whose sum is σ = 1810448640. Its totient is φ = 213537888.

The previous prime is 654543403. The next prime is 654543433. The reversal of 654543432 is 234345456.

654543432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (654543433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93328 + ... + 100095.

It is an arithmetic number, because the mean of its divisors is an integer number (37717680).

Almost surely, 2^654543432 is an apocalyptic number.

It is an amenable number.

654543432 is an abundant number, since it is smaller than the sum of its proper divisors (1155905208).

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

654543432 is a wasteful number, since it uses less digits than its factorization.

654543432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193482 (or 193475 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 654543432 is about 25584.0464352299. The cubic root of 654543432 is about 868.2527278411.

Adding to 654543432 its reverse (234345456), we get a palindrome (888888888).

It can be divided in two parts, 65454 and 3432, that added together give a palindrome (68886).

The spelling of 654543432 in words is "six hundred fifty-four million, five hundred forty-three thousand, four hundred thirty-two".