54123320 has 32 divisors (see below), whose sum is σ = 124372800. Its totient is φ = 21187968.

The previous prime is 54123319. The next prime is 54123353. The reversal of 54123320 is 2332145.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 54123292 and 54123301.

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, 12515 + ... + 16274.

It is an arithmetic number, because the mean of its divisors is an integer number (3886650).

Almost surely, 2^54123320 is an apocalyptic number.

It is an amenable number.

54123320 is an abundant number, since it is smaller than the sum of its proper divisors (70249480).

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

54123320 is a wasteful number, since it uses less digits than its factorization.

54123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28847 (or 28843 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 54123320 is about 7356.8553064472. The cubic root of 54123320 is about 378.2638248537.

Adding to 54123320 its reverse (2332145), we get a palindrome (56455465).

The spelling of 54123320 in words is "fifty-four million, one hundred twenty-three thousand, three hundred twenty".