54534040 has 32 divisors (see below), whose sum is σ = 133857360. Its totient is φ = 19830400.

The previous prime is 54534023. The next prime is 54534043. The reversal of 54534040 is 4043545.

It is a junction number, because it is equal to n+sod(n) for n = 54533996 and 54534014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54534043) 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, 61531 + ... + 62410.

Almost surely, 2^54534040 is an apocalyptic number.

It is an amenable number.

54534040 is an abundant number, since it is smaller than the sum of its proper divisors (79323320).

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

54534040 is a wasteful number, since it uses less digits than its factorization.

54534040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123963 (or 123959 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 54534040 is about 7384.7166499467. The cubic root of 54534040 is about 379.2182451000.

Adding to 54534040 its reverse (4043545), we get a palindrome (58577585).

The spelling of 54534040 in words is "fifty-four million, five hundred thirty-four thousand, forty".