54531432 has 24 divisors (see below), whose sum is σ = 147689490. Its totient is φ = 18177120.

The previous prime is 54531419. The next prime is 54531443. The reversal of 54531432 is 23413545.

It can be written as a sum of positive squares in only one way, i.e., 51926436 + 2604996 = 7206^2 + 1614^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 54531396 and 54531405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 378619 + ... + 378762.

Almost surely, 2^54531432 is an apocalyptic number.

It is an amenable number.

54531432 is an abundant number, since it is smaller than the sum of its proper divisors (93158058).

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

54531432 is a wasteful number, since it uses less digits than its factorization.

54531432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757393 (or 757386 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 54531432 is about 7384.5400669236. The cubic root of 54531432 is about 379.2121998425.

Adding to 54531432 its reverse (23413545), we get a palindrome (77944977).

The spelling of 54531432 in words is "fifty-four million, five hundred thirty-one thousand, four hundred thirty-two".