54471340 has 144 divisors (see below), whose sum is σ = 150764544. Its totient is φ = 16329600.

The previous prime is 54471269. The next prime is 54471343. The reversal of 54471340 is 4317445.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 54471299 and 54471308.

It is not an unprimeable number, because it can be changed into a prime (54471343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 334099 + ... + 334261.

It is an arithmetic number, because the mean of its divisors is an integer number (1046976).

Almost surely, 2^54471340 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 54471340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75382272).

54471340 is an abundant number, since it is smaller than the sum of its proper divisors (96293204).

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

54471340 is a wasteful number, since it uses less digits than its factorization.

54471340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 54471340 is about 7380.4701747246. The cubic root of 54471340 is about 379.0728551610.

Adding to 54471340 its reverse (4317445), we get a palindrome (58788785).

The spelling of 54471340 in words is "fifty-four million, four hundred seventy-one thousand, three hundred forty".