54684540 has 36 divisors (see below), whose sum is σ = 165876984. Its totient is φ = 14582496.

The previous prime is 54684533. The next prime is 54684541. The reversal of 54684540 is 4548645.

54684540 is a `hidden beast` number, since 54 + 68 + 4 + 540 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54684495 and 54684504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54684541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151722 + ... + 152081.

It is an arithmetic number, because the mean of its divisors is an integer number (4607694).

Almost surely, 2^54684540 is an apocalyptic number.

It is an amenable number.

54684540 is an abundant number, since it is smaller than the sum of its proper divisors (111192444).

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

54684540 is a wasteful number, since it uses less digits than its factorization.

54684540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303818 (or 303813 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 54684540 is about 7394.8995936388. The cubic root of 54684540 is about 379.5667731298.

The spelling of 54684540 in words is "fifty-four million, six hundred eighty-four thousand, five hundred forty".