54642132 has 18 divisors (see below), whose sum is σ = 138123258. Its totient is φ = 18214032.

The previous prime is 54642127. The next prime is 54642143. The reversal of 54642132 is 23124645.

54642132 is a `hidden beast` number, since 5 + 4 + 642 + 13 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54375876 + 266256 = 7374^2 + 516^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 54642096 and 54642105.

It is a congruent number.

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, 758883 + ... + 758954.

Almost surely, 2^54642132 is an apocalyptic number.

It is an amenable number.

54642132 is an abundant number, since it is smaller than the sum of its proper divisors (83481126).

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

54642132 is a wasteful number, since it uses less digits than its factorization.

54642132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517847 (or 1517842 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 54642132 is about 7392.0316557764. The cubic root of 54642132 is about 379.4686294222.

Adding to 54642132 its reverse (23124645), we get a palindrome (77766777).

The spelling of 54642132 in words is "fifty-four million, six hundred forty-two thousand, one hundred thirty-two".