54120531 has 32 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 32810400.

The previous prime is 54120527. The next prime is 54120551. The reversal of 54120531 is 13502145.

54120531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54120531 - 2² = 54120527 is a prime.

It is a super-2 number, since 2×54120531² = 5858063751443922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54120498 and 54120507.

It is not an unprimeable number, because it can be changed into a prime (54120551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173866 + ... + 174176.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^54120531 is an apocalyptic number.

54120531 is a deficient number, since it is larger than the sum of its proper divisors (24952749).

54120531 is a wasteful number, since it uses less digits than its factorization.

54120531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 54120531 is about 7356.6657529074. The cubic root of 54120531 is about 378.2573273715.

Adding to 54120531 its reverse (13502145), we get a palindrome (67622676).

The spelling of 54120531 in words is "fifty-four million, one hundred twenty thousand, five hundred thirty-one".