54534240 has 72 divisors (see below), whose sum is σ = 186103008. Its totient is φ = 14542080.

The previous prime is 54534229. The next prime is 54534247. The reversal of 54534240 is 4243545.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54534247) 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, 17496 + ... + 20375.

It is an arithmetic number, because the mean of its divisors is an integer number (2584764).

Almost surely, 2^54534240 is an apocalyptic number.

It is an amenable number.

54534240 is an abundant number, since it is smaller than the sum of its proper divisors (131568768).

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

54534240 is a wasteful number, since it uses less digits than its factorization.

54534240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37892 (or 37881 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 54534240 is about 7384.7301914153. The cubic root of 54534240 is about 379.2187086855.

Adding to 54534240 its reverse (4243545), we get a palindrome (58777785).

The spelling of 54534240 in words is "fifty-four million, five hundred thirty-four thousand, two hundred forty".