54316440 has 128 divisors (see below), whose sum is σ = 190656000. Its totient is φ = 13716864.

The previous prime is 54316429. The next prime is 54316441. The reversal of 54316440 is 4461345.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54316441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19197 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (1489500).

Almost surely, 2^54316440 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 54316440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95328000).

54316440 is an abundant number, since it is smaller than the sum of its proper divisors (136339560).

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

54316440 is a wasteful number, since it uses less digits than its factorization.

54316440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 54316440 is about 7369.9687923356. The cubic root of 54316440 is about 378.7131912077.

Adding to 54316440 its reverse (4461345), we get a palindrome (58777785).

It can be divided in two parts, 54316 and 440, that added together give a square (54756 = 234²).

The spelling of 54316440 in words is "fifty-four million, three hundred sixteen thousand, four hundred forty".