54032240 has 40 divisors (see below), whose sum is σ = 125951760. Its totient is φ = 21556736.

The previous prime is 54032233. The next prime is 54032243. The reversal of 54032240 is 4223045.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54032243) 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, 44927 + ... + 46113.

It is an arithmetic number, because the mean of its divisors is an integer number (3148794).

Almost surely, 2^54032240 is an apocalyptic number.

It is an amenable number.

54032240 is an abundant number, since it is smaller than the sum of its proper divisors (71919520).

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

54032240 is a wasteful number, since it uses less digits than its factorization.

54032240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 54032240 is about 7350.6625551715. The cubic root of 54032240 is about 378.0515219564.

Adding to 54032240 its reverse (4223045), we get a palindrome (58255285).

The spelling of 54032240 in words is "fifty-four million, thirty-two thousand, two hundred forty".