54530240 has 112 divisors (see below), whose sum is σ = 140451840. Its totient is φ = 20106240.

The previous prime is 54530239. The next prime is 54530243. The reversal of 54530240 is 4203545.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54530243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228041 + ... + 228279.

Almost surely, 2^54530240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54530240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70225920).

54530240 is an abundant number, since it is smaller than the sum of its proper divisors (85921600).

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

54530240 is a wasteful number, since it uses less digits than its factorization.

54530240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 54530240 is about 7384.4593573260. The cubic root of 54530240 is about 379.2094367618.

Adding to 54530240 its reverse (4203545), we get a palindrome (58733785).

The spelling of 54530240 in words is "fifty-four million, five hundred thirty thousand, two hundred forty".