54536140 has 24 divisors (see below), whose sum is σ = 114684192. Its totient is φ = 21784320.

The previous prime is 54536129. The next prime is 54536143. The reversal of 54536140 is 4163545.

It is a junction number, because it is equal to n+sod(n) for n = 54536099 and 54536108.

It is not an unprimeable number, because it can be changed into a prime (54536143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18145 + ... + 20935.

It is an arithmetic number, because the mean of its divisors is an integer number (4778508).

Almost surely, 2^54536140 is an apocalyptic number.

It is an amenable number.

54536140 is an abundant number, since it is smaller than the sum of its proper divisors (60148052).

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

54536140 is a wasteful number, since it uses less digits than its factorization.

54536140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777 (or 3775 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 54536140 is about 7384.8588341281. The cubic root of 54536140 is about 379.2231126903.

Adding to 54536140 its reverse (4163545), we get a palindrome (58699685).

The spelling of 54536140 in words is "fifty-four million, five hundred thirty-six thousand, one hundred forty".