54090232 has 32 divisors (see below), whose sum is σ = 118379520. Its totient is φ = 22687200.

The previous prime is 54090217. The next prime is 54090271. The reversal of 54090232 is 23209045.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54090197 and 54090206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7644 + ... + 12907.

It is an arithmetic number, because the mean of its divisors is an integer number (3699360).

Almost surely, 2^54090232 is an apocalyptic number.

It is an amenable number.

54090232 is an abundant number, since it is smaller than the sum of its proper divisors (64289288).

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

54090232 is a wasteful number, since it uses less digits than its factorization.

54090232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20611 (or 20607 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 54090232 is about 7354.6061757242. The cubic root of 54090232 is about 378.1867259567.

Adding to 54090232 its reverse (23209045), we get a palindrome (77299277).

The spelling of 54090232 in words is "fifty-four million, ninety thousand, two hundred thirty-two".