54124540 has 24 divisors (see below), whose sum is σ = 119644560. Its totient is φ = 20510208.

The previous prime is 54124531. The next prime is 54124541. The reversal of 54124540 is 4542145.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54124541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70837 + ... + 71596.

It is an arithmetic number, because the mean of its divisors is an integer number (4985190).

Almost surely, 2^54124540 is an apocalyptic number.

It is an amenable number.

54124540 is an abundant number, since it is smaller than the sum of its proper divisors (65520020).

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

54124540 is a wasteful number, since it uses less digits than its factorization.

54124540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142461 (or 142459 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 54124540 is about 7356.9382218420. The cubic root of 54124540 is about 378.2666669952.

Adding to 54124540 its reverse (4542145), we get a palindrome (58666685).

The spelling of 54124540 in words is "fifty-four million, one hundred twenty-four thousand, five hundred forty".