54045240 has 32 divisors (see below), whose sum is σ = 162136080. Its totient is φ = 14412032.

The previous prime is 54045221. The next prime is 54045247. The reversal of 54045240 is 4254045.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 54045240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54045247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225069 + ... + 225308.

Almost surely, 2^54045240 is an apocalyptic number.

It is an amenable number.

54045240 is an abundant number, since it is smaller than the sum of its proper divisors (108090840).

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

54045240 is a wasteful number, since it uses less digits than its factorization.

54045240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450391 (or 450387 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 54045240 is about 7351.5467760193. The cubic root of 54045240 is about 378.0818388911.

Adding to 54045240 its reverse (4254045), we get a palindrome (58299285).

It can be divided in two parts, 54045 and 240, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 54045240 in words is "fifty-four million, forty-five thousand, two hundred forty".